Prosecution Insights
Last updated: August 16, 2026

L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude

57 pending office actions • 22 art units • 41 examiners • 0 of 57 (0%) have an AI response strategy ready • 99 patents granted in the last 365 days

Portfolio Summary

57
Total Pending OAs
37
Non-Final OAs
17
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 16 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

7
Overdue
1
Due this week
6
Due this month
0
Due in next 60 days
2
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 16 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (7)Due ≤ 7 days (1)Due ≤ 30 days (6)Due later (2)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

35
Hard (61%)
16
Medium (28%)
6
Easy (11%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (2%)
§101 + other2 (4%)
§103 only11 (19%)
§102 only2 (4%)
§112 only6 (11%)
Double-patenting + other3 (5%)
Multi-statute (no §101)32 (56%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

15
Life Sciences
26% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
2
Semiconductors
4% of docket
29
Mechanical / Eng
51% of docket
11
Business / Other
19% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

570 h
Manual time on pending OAs
114 h
Time saved (low, 20%)
200 h
Time saved (mid, 35%)
5.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PETTITT, JOHN F 7 25.7% +21.6%
MOORE, DEVON TYLEN 5 47.3% +32.7%
KING, BRIAN M 5 70.2% +23.8%
MENGESHA, WEBESHET 3 47.7% +12.7%
AFFUL, CHRISTOPHER M 1 75.1% +10.2%
MAUST, TIMOTHY LEWIS 1 81.7% +10.2%
KIRSCH, ANDREW THOMAS 1 50.5% +34.8%
BALLMAN, CHRISTOPHER D 1 76.9% +20.9%
LAGUARDA, GONZALO 1 72.9% +6.7%
RAYMOND, KEITH MICHAEL 1 55.3% +21.8%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18995229 DEVICE AND METHOD FOR FILLING A PRESSURIZED-GAS TANK MAUST, TIMOTHY LEWIS

Hard Cases (36)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18138712 OPTIMIZED PROCESS FOR DEEP FREEZING AND DEFROSTING OF FOODSTUFFS AND OTHER HEAT-SENSITIVE PRODUCTS IN A DEEP FREEZING CABINET NOUKETCHA, LIONEL W 89d overdue
18289110 DEVICE FOR STORING AND SUPPLYING CRYOGENIC FLUID, VEHICLE AND CORRESPONDING METHOD MOORE, DEVON TYLEN 85d overdue
18710058 CRYOGENIC REFRIGERATION DEVICE BANKS, KEONA LAUREN 60d overdue
18121303 PROCESS FOR PRODUCING CHLORIDE DEPLETED FEEDSTOCK FROM CHLORIDE CONTAINING CRUDE OIL OR FAT FEEDSTOCK CARR, DEBORAH D 45d overdue
18725424 MELTING DEVICE FRANKLIN, JODI COHEN 31d overdue
18014320 APPARATUS AND METHOD FOR COOLING OF FRESH CONCRETE COOLEY, CHARLES E 8d overdue
18106987 DEVICE FOR GRIPPING A PACKING SECTION QURESHI, REHMAN AHMED 12d
17881889 OBTAINING A PRODUCT BY ELECTROLYSIS GAVIA, NYLA EMANI ANN 14d

Interview Candidates (25)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18289110 DEVICE FOR STORING AND SUPPLYING CRYOGENIC FLUID, VEHICLE AND CORRESPONDING METHOD MOORE, DEVON TYLEN 85d overdue
18956846 CONDITIONING DEVICE FOR A PRESSURIZED FLUID BALLMAN, CHRISTOPHER D 43d overdue
17919423 LIQUEFIED GAS STORAGE FACILITY MENGESHA, WEBESHET 6d
18014284 FACILITY AND METHOD FOR HYDROGEN REFRIGERATION MENGESHA, WEBESHET 14d
18673017 INSTALLATION AND METHOD FOR THE LIQUEFACTION OF HYDROGEN MOORE, DEVON TYLEN 70d
18276846 DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID KING, BRIAN M 83d
19195237 OPTIMIZED FILLING OF CRYOGENIC TANKS AFFUL, CHRISTOPHER M
18995229 DEVICE AND METHOD FOR FILLING A PRESSURIZED-GAS TANK MAUST, TIMOTHY LEWIS

Top Art Units

Art UnitApps
3763 21
1774 3
3753 2
3733 2
3747 1
1741 1
1748 1
1716 1
1752 1
3647 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19195237 OPTIMIZED FILLING OF CRYOGENIC TANKS AFFUL, CHRISTOPHER M §102§103§112 Non-Final OA Pending Apr 30, 2025
18995229 DEVICE AND METHOD FOR FILLING A PRESSURIZED-GAS TANK MAUST, TIMOTHY LEWIS 3753 §102 Non-Final OA Pending Jan 16, 2025
19014157 TANK FOR STORING CRYOGENIC FLUID KIRSCH, ANDREW THOMAS 3733 §103§112 Final Rejection Pending Jan 08, 2025
18969866 SEPARATOR VESSEL AND INSTALLATION COMPRISING SUCH A VESSEL MOORE, DEVON TYLEN §103 Non-Final OA Pending Dec 05, 2024
18968704 HIGH-PURITY OXYGEN PRODUCTION METHOD, AND AIR SEPARATION DEVICE FOR PRODUCING HIGH-PURITY OXYGEN KING, BRIAN M §103§112 Non-Final OA Pending Dec 04, 2024
18956846 CONDITIONING DEVICE FOR A PRESSURIZED FLUID BALLMAN, CHRISTOPHER D 3753 §103 Final Rejection 43d overdue Pending Nov 22, 2024
18866732 METHOD AND APPARATUS FOR LOW-TEMPERATURE SEPARATION OF A GAS CONTAINING CO2 TO PRODUCE A CO2-RICH FLUID MOORE, DEVON TYLEN §103 Non-Final OA Pending Nov 18, 2024
18940182 METHOD FOR REDUCING HYDROGEN EVAPORATION LOSSES LAGUARDA, GONZALO 3747 §101 Final Rejection Pending Nov 07, 2024
18863815 DOUBLE-WALLED LIQUEFIED GAS STORAGE TANK RAYMOND, KEITH MICHAEL 3763 §103§112 Non-Final OA Pending Nov 07, 2024
18580979 FACILITY AND METHOD FOR DISTRIBUTING LIQUEFIED HYDROGEN MARONEY, JENNA M §112 Non-Final OA Pending Sep 26, 2024
18891146 METHOD AND SYSTEM FOR DETERMINING THE CONTENT OF AT LEAST ONE IMPURITY IN A CRYOGENIC LIQUID SINHA, TARUN §102 Non-Final OA Pending Sep 20, 2024
18796792 DEVICE, FACILITY AND METHOD FOR KEEPING A LIQUEFIED GAS STORE COLD PETTITT, JOHN F 3763 §102§112 Non-Final OA Pending Aug 07, 2024
18730430 FACILITY FOR RECOVERING CO2 FROM A FEED GAS FLOW DUKE, EMMANUEL E §112 Non-Final OA Pending Jul 19, 2024
18725424 MELTING DEVICE FRANKLIN, JODI COHEN 1741 §103§112 Final Rejection 31d overdue Pending Jun 28, 2024
18740952 INSTALLATION AND A METHOD FOR COOLING A FLUID TO CRYOGENIC TEMPERATURE MOORE, DEVON TYLEN 3763 §103§112 Non-Final OA Pending Jun 12, 2024
18673017 INSTALLATION AND METHOD FOR THE LIQUEFACTION OF HYDROGEN MOORE, DEVON TYLEN 3763 §103§112 Non-Final OA 70d Pending May 23, 2024
18710058 CRYOGENIC REFRIGERATION DEVICE BANKS, KEONA LAUREN 3763 §103§112 Final Rejection 60d overdue Pending May 14, 2024
18709726 CRYOGENIC REFRIGERATION DEVICE PETTITT, JOHN F 3763 §102§103§112 Non-Final OA Pending May 13, 2024
18709541 CRYOGENIC PUMPING SYSTEM AND INNOVATIVE INTEGRATION FOR SUB-KELVIN CRYOGENICS BELOW 1.5K PETTITT, JOHN F 3763 §103 Non-Final OA Pending May 13, 2024
18633409 SUPPLY OF HIGH-PRESSURE CO2 TO A USER STATION BY ADDING A LIQUEFACTOR AT THE USAGE POINT MENGESHA, WEBESHET 3763 §102§103§112 Final Rejection Pending Apr 11, 2024
18689832 FUEL CELL WEI, YVONNE §103§112 Non-Final OA Pending Mar 06, 2024
18597787 PROCESS TO OBTAIN FULLY OXIDIZED WHITE LIQUOR FOR USE IN THE FIBERLINE OF A KRAFT PULP PROCESS CALANDRA, ANTHONY J 1748 §103 Non-Final OA Pending Mar 06, 2024
18577936 SUBLIMATION GAS SUPPLY SYSTEM AND SUBLIMATION GAS SUPPLY METHOD WITH BUFFER TANK MOORE, KARLA A 1716 §103§112 Non-Final OA Pending Jan 09, 2024
18513486 BIPOLAR PLATE FOR FUEL CELL STACK CONLEY, OI K 1752 §102§103 Non-Final OA Pending Nov 17, 2023
18290069 LCO2 AS A MEANS TO CONTROL THE INNER ATMOSPHERE OF A GREENHOUSE IN TERMS OF ABSOLUTE MOISTURE AND TEMPERATURE BERONA, KIMBERLY SUE 3647 §103§112 Final Rejection Pending Nov 09, 2023
18289110 DEVICE FOR STORING AND SUPPLYING CRYOGENIC FLUID, VEHICLE AND CORRESPONDING METHOD MOORE, DEVON TYLEN 3763 §102§103§112 Non-Final OA 85d overdue Pending Oct 31, 2023
18277796 METHOD AND APPARATUS FOR LIQUEFYING HYDROGEN ADENIJI, IBRAHIM M 3763 §103§112 Final Rejection Pending Aug 18, 2023
18276846 DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID KING, BRIAN M 3763 §103§112DP Non-Final OA 83d Pending Aug 10, 2023
18276603 DEVICE AND METHOD FOR REFRIGERATION OR LIQUEFACTION OF A FLUID KING, BRIAN M 3763 §103§112Other Non-Final OA Pending Aug 09, 2023
18227387 ENCLOSURE FOR A COLUMN FOR LOW-TEMPERATURE DISTILLATION PETTITT, JOHN F 3763 §103§112 Non-Final OA Pending Jul 28, 2023
18269367 METHOD FOR RESTARTING AN AIR SEPARATION UNIT PETTITT, JOHN F 3763 §103§112 Non-Final OA Pending Jun 23, 2023
18138706 METHOD AND DEVICE FOR OPERATING A CRYOGENIC TUNNEL SHECHTMAN, SEAN P 2896 §101§102§112 Non-Final OA Pending Apr 24, 2023
18138712 OPTIMIZED PROCESS FOR DEEP FREEZING AND DEFROSTING OF FOODSTUFFS AND OTHER HEAT-SENSITIVE PRODUCTS IN A DEEP FREEZING CABINET NOUKETCHA, LIONEL W 3763 §103§112 Non-Final OA 89d overdue Pending Apr 24, 2023
18133583 APPARATUS FOR INTEGRATING AMMONIA CRACKING IN A STEAM METHANE REFORMER PEREZ, JELITZA M 1774 §102§103§112 Final Rejection 16d Pending Apr 12, 2023
18089132 METHOD OF FORMING A CONFORMAL AND CONTINUOUS CRYSTALLINE SILICON NANOSHEET WITH IMPROVED ELECTRICAL PROPERTIES AT LOW DOPING LEVELS TUROCY, DAVID P 1718 §103 Non-Final OA Pending Dec 27, 2022
18968163 WATER COOLING SYSTEM AND AIR SEPARATION DEVICE PROVIDED WITH SAME RUPPERT, ERIC S §103§112 Non-Final OA Pending Dec 04, 2024
18962047 TANK FOR STORING A LIQUEFIED FLUID, ADJUSTING DEVICE, INSTALLATION AND METHOD FOR ASSEMBLING SUCH A TANK VOLZ, ELIZABETH J 3733 §112 Final Rejection Pending Nov 27, 2024
18605914 LIQUEFACTOR AND METHOD FOR LIQUEFYING A GAS ZEC, FILIP 3763 §103 Final Rejection Pending Mar 15, 2024
18599708 PROCESS FOR PRODUCING HYDROGEN WITH ELECTRICALLY HEATED STEAM METHANE REFORMING LI, JUN §103DP Non-Final OA Pending Mar 08, 2024
18023785 THE FORMATION OF CATALYST PT NANODOTS BY PULSED/SEQUENTIAL CVD OR ATOMIC LAYER DEPOSITION ZHANG, HAI Y 1732 §112 Non-Final OA Pending Feb 28, 2023
18627263 PROCESS FOR SEPARATING CARBON DIOXIDE FROM A RAW HYDROGEN PRODUCT BUTT, AMMAD WASEEM 1776 §103§112 Non-Final OA Pending Apr 04, 2024
18375863 HYDROGEN PRODUCTION PROCESS BAUM, ZACHARY JOHN 1736 §103§112 Non-Final OA Pending Oct 02, 2023
18143261 METHOD FOR THE START-UP OF AN ELECTROLYSIS SYSTEM CONTRERAS, CIEL P 1794 §112 Non-Final OA Pending May 04, 2023
18124226 PERFORMING AN ELECTROLYSIS JEBUTU, MOFOLUWASO SIMILOLUWA 1795 §103 Final Rejection 23d Pending Mar 21, 2023
18121291 PROCESS AND APPARATUS FOR PRODUCING PRETREATED OIL OR FAT PRODUCT FROM CRUDE OIL OR FAT FEEDSTOCK COMPRISING A POLYMER ZILBERING, ASSAF 1792 §103 Non-Final OA Pending Mar 14, 2023
18121303 PROCESS FOR PRODUCING CHLORIDE DEPLETED FEEDSTOCK FROM CHLORIDE CONTAINING CRUDE OIL OR FAT FEEDSTOCK CARR, DEBORAH D 1691 §102§103§112 Non-Final OA 45d overdue Pending Mar 14, 2023
18014320 APPARATUS AND METHOD FOR COOLING OF FRESH CONCRETE COOLEY, CHARLES E 1774 §103§112 Final Rejection 8d overdue Pending Jan 03, 2023
17881889 OBTAINING A PRODUCT BY ELECTROLYSIS GAVIA, NYLA EMANI ANN 2857 §101§103 Non-Final OA 14d Pending Aug 05, 2022
17484744 MEASUREMENT APPARATUS FOR MEASURING AXIAL TEMPERATURE PROFILES IN A REACTOR TUBE LEUNG, JENNIFER A 1774 §112 Final Rejection 19d Pending Sep 24, 2021
18599736 PROCESS FOR PRODUCING HYDROGEN WITH ELECTRICALLY HEATED STEAM METHANE REFORMING HENDRICKSON, STUART L §103§112DP Non-Final OA Pending Mar 08, 2024
18106987 DEVICE FOR GRIPPING A PACKING SECTION QURESHI, REHMAN AHMED 3654 §102§103 Non-Final OA 12d Pending Feb 07, 2023
18018614 FACILITY AND METHOD FOR REFRIGERATING A FLUID KING, BRIAN M 3763 §103 Final Rejection Pending Jan 30, 2023
18016626 ARGON ENHANCING METHOD AND DEVICE PETTITT, JOHN F 3763 §103§112 Non-Final OA Pending Jan 17, 2023
18014284 FACILITY AND METHOD FOR HYDROGEN REFRIGERATION MENGESHA, WEBESHET 3763 §103§112 Final Rejection 14d Pending Jan 03, 2023
17919423 LIQUEFIED GAS STORAGE FACILITY MENGESHA, WEBESHET 3763 §103 Final Rejection 6d Pending Oct 17, 2022
17896953 PROCESS FOR PRECOOLING HYDROGEN FOR LIQUEFACTION WITH SUPPLEMENT LIQUID NITROGEN KING, BRIAN M 3700 §103§112 Non-Final OA Pending Aug 26, 2022
17632978 REFRIGERATION AND/OR LIQUEFACTION METHOD, DEVICE AND SYSTEM PETTITT, JOHN F 3763 §103§112 Non-Final OA Pending Feb 04, 2022

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