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For the Inventor, By the Inventor

Munich, Germany

Linde Aktiengesellschaft


USPTO Granted Patents = 1,144

% Expired Patents = 24.5



Trademarks = 42

Forward Citations = 8,687

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1,024 inventors (with patents filed for the assignee):

goldMedal Franz H Forster (50 out of 56 patents)

silverMedal Heinz Bauer (23 out of 40 patents)

bronzeMedal Theodor Abels (23 out of 24 patents)

4.  Gerhard Ranke (23 out of 23 patents)

5.  Helmut Fritz (21 out of 30 patents)

6.  Heinz Bölt (21 out of 29 patents)

7.  Horst Deininger (20 out of 20 patents)

8.  John A Babcock (18 out of 21 patents)

9.  Hans Becker (17 out of 18 patents)

10.  Manfred Steinbauer (16 out of 18 patents)

11.  Charles P Siess, Iii (16 out of 17 patents)

12.  Anton Wellenhofer (15 out of 21 patents)

13.  Dietrich Rottmann (15 out of 16 patents)

14.  Walter Kropp (15 out of 15 patents)

15.  Wolfgang Müller (14 out of 24 patents)


Core Competencies:
Cryogenic Separation
Hydrogen Production
Heat Exchanger
Gas Cylinder Monitoring
Olefins Production
Enhanced Oil Recovery
Ammonia Synthesis
Fluid Collection Device
Distillation Column
Carbon Dioxide Capture
Cooling Systems
Pipeline Protection

1,144 patents:

1. 12508664 - Method for producing a plate heat exchanger and plate heat exchanger with thermocouples or measuring resistors (2025-12-30),
2. 12472576 - Method for producing a pipe fitting, in particular by weld overlay (2025-11-18),
3. 12465961 - Method for flushing reactor (2025-11-11),
4. 12196485 - Method and apparatus for obtaining pressurized nitrogen by cryogenic separation of air (2025-01-14),
5. RE50086 - Unconventional reservoir enhanced or improved oil recovery (2024-08-20),
6. 11795371 - Hydrocarbon based carrier fluid (2023-10-24),
7. 11703188 - Gas cylinder monitoring system (2023-07-18),
8. 11698225 - Modelling of a distillation column with operating state changes (2023-07-11),
9. 11602713 - Method for cryogenic separation of air, and air separation plant (2023-03-14),
10. 11434141 - Synthesis of ammonia with internal cooling circuit (2022-09-06),
11. 11407645 - Method and apparatus for producing carbon dioxide (2022-08-09),
12. 11340012 - Low-temperature mixed-refrigerant for hydrogen precooling in large scale (2022-05-24),
13. 11326218 - Cooling device and method for cooling elements passing through said device (2022-05-10),
14. 11319264 - Method for producing a separation product containing predominantly hydrocarbons with two carbon atoms (2022-05-03),
15. 11298648 - Method and installation for obtaining hydrogen (2022-04-12),
Company Overview
Linde Aktiengesellschaft, headquartered in Munich, Germany, is a leading global industrial gases and engineering company. It specializes in cryogenic separation technologies, which are essential for the production of hydrogen, ammonia, and olefins. The company also focuses on advanced heat exchangers and gas cylinder monitoring systems, contributing to enhanced oil recovery and efficient fluid collection. Linde's innovations support various industries, emphasizing sustainability and efficiency in gas production and processing.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Linde Aktiengesellschaft USPTO Patent Assignee Logo
1,144 Patents

#6 in W-8000 Munich

#43 in Germany

#903 in the World

Munich, DE
Munich, Germany

Linde Aktiengesellschaft

Forward Citations = 8,687

1,024 inventors:

goldMedal Franz H Forster (50 out of 56 patents)

silverMedal Heinz Bauer (23 out of 40 patents)

bronzeMedal Theodor Abels (23 out of 24 patents)

4.  Gerhard Ranke (23 out of 23 patents)

5.  Helmut Fritz (21 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Linde Aktiengesellschaft. Retrieved from https://idiyas.com/company/linde-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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