Prosecution Insights
Last updated: April 19, 2026

Linde Inc.

24 pending office actions • 5 clients

Portfolio Summary

24
Total Pending OAs
6
Final Rejections
18
Non-Final OAs

Client Portfolio (5 clients)

Client (Assignee)Pending OAs
Praxair Technology, Inc. 18
Praxair S.T. Technology, Inc. 2
Praxair Technology, Inc. 1
Linde Kryotechnik AG 1
Linde GmbH 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18730614 SUPPLEMENTAL REFRIGERATION USING NITROGEN Praxair Technology, Inc. MA, KUN KAI 3763 Non-Final OA Jul 19, 2024
18653548 INTEGRATION OF A HOT OXYGEN BURNER WITH AN AUTO THERMAL REFORMER Praxair Technology, Inc. CHANDLER, KAITY V 1725 Non-Final OA May 02, 2024
18402961 METHOD FOR PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT FOR SPACE VEHICLE APPLICATIONS Praxair Technology, Inc. PETTITT, JOHN F 3763 Non-Final OA Jan 03, 2024
18402058 SYSTEM AND METHOD FOR COMBINED LIQUEFACTION AND DENSIFICATION OF OXYGEN Praxair Technology, Inc. PETTITT, JOHN F 3763 Non-Final OA Jan 02, 2024
18402103 SYSTEM AND METHOD FOR DENSIFICATION OF LIQUID OXYGEN Praxair Technology, Inc. PETTITT, JOHN F 3763 Non-Final OA Jan 02, 2024
18531026 METHOD AND SYSTEM FOR PROCESSING FRAGILE MATERIALS Praxair Technology, Inc. CHEN, CATHERYNE 1655 Non-Final OA Dec 06, 2023
18451208 System and Method for Turndown of a Hydrogen Precooling and/or Hydrogen Liquefaction System Linde Kryotechnik AG KING, BRIAN M 3763 Non-Final OA Aug 17, 2023
18451194 System and Method for Precooling a Hydrogen Feed Stream with Concurrent Nitrogen Liquefaction Praxair Technology, Inc. MOORE, DEVON TYLEN 3763 Final Rejection Aug 17, 2023
18334782 COATING FOR HYDRAULIC RODS AND OTHER SLIDING COMPONENTS AND METHOD OF PRODUCING THE SAME Praxair S.T. Technology, Inc. SCHLEIS, DANIEL J 1784 Non-Final OA Jun 14, 2023
18334883 SYSTEM AND METHOD FOR GAS LIQUEFICATION Praxair Technology, Inc. PETTITT, JOHN F 3763 Final Rejection Jun 14, 2023
18333838 HIGH PERFORMANCE SEMICONDUCTOR GRADE DIMETHYLALUMINUM CHLORIDE Unknown ALANKO, ANITA KAREN 1713 Non-Final OA Jun 13, 2023
18321067 SYSTEM AND METHOD FOR PRE-PURIFICATION OF A FEED GAS STREAM Linde GmbH MCKENZIE, THOMAS B 1776 Non-Final OA May 22, 2023
18304921 METHOD AND SYSTEM FOR PRE-PURIFICATION OF A FEED AIR STREAM Praxair Technology, Inc. BERNS, DANIEL J 1736 Non-Final OA Apr 21, 2023
18165513 NOVEL METHOD FOR PRETREATING AND RECOVERING A RARE GAS FROM A GAS CONTAMINANT STREAM EXITING AN ETCH CHAMBER Praxair Technology, Inc. RAJA, JAANZEB CHAANGEZ 1736 Non-Final OA Feb 07, 2023
18064995 PROCESS FOR GENERATING A PURIFIED HYDROGEN PRODUCT FROM HEAVY HYDROCARBON FEEDSTOCKS Praxair Technology, Inc. PHAN, ANNETTE HOANG-ANH 1736 Non-Final OA Dec 13, 2022
18064376 USING OXYGEN IN NANOBUBBLES TO IMPROVE CHARACTERISTICS OF POULTRY Praxair Technology, Inc. WERTZ, ASHLEE ELIZABETH 1612 Final Rejection Dec 12, 2022
18064406 METHODS USING CARBON DIOXIDE AND OXYGEN TO IMPROVE CHARACTERISTICS OF POULTRY Praxair Technology, Inc. SCOTLAND, REBECCA LYNN 1615 Non-Final OA Dec 12, 2022
17872477 METHODS AND EQUIPMENT FOR USING CARBON DIOXIDE IN POULTRY EGG INCUBATION TO IMPROVE CHARACTERISTICS OF POULTRY Praxair Technology, Inc. SCOTLAND, REBECCA LYNN 1615 Final Rejection Jul 25, 2022
17790161 OXYGEN TRANSPORT MEMBRANE REACTORS FOR DECARBONIZATION Praxair Technology, Inc. IQBAL, SYED TAHA 1736 Non-Final OA Jun 30, 2022
17777420 MODIFIED CATHODE DEVICE AND HOLDER ASSEMBLY FOR PLASMA ARC SPRAY GUN Praxair S.T. Technology, Inc. TRAN, TIFFANY T 3761 Non-Final OA May 17, 2022
17741578 SYSTEM AND METHOD FOR IMPROVED FLOW DETECTION DURING HIGH FREQUENCY VENTILATION Praxair Technology, Inc. DALE, ABIGAYLE ANN 3785 Final Rejection May 11, 2022
17667861 ACETYLENE FLUID SUPPLY PACKAGE, SYSTEM COMPRISING THE SAME AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE USING THE SAME Praxair Technology, Inc. MERKLING, MATTHEW J 1725 Non-Final OA Feb 09, 2022
17543918 METHOD TO CONTROL SYNGAS COMPOSITION BY REACTOR TEMPERATURE Praxair Technology, Inc. SPEER, JOSHUA MAXWELL 1736 Final Rejection Dec 07, 2021
16067276 SYSTEM FOR COOLING FOOD PRODUCT Praxair Technology, Inc. AXTELL, ASHLEY 1792 Non-Final OA Jun 29, 2018

Managing Linde Inc.'s Patent Prosecution?

IP Author helps law firms respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month