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For the Inventor, By the Inventor

Stuttgart, Germany

Ltg Lufttechnische Gmbh

Calculating rank
USPTO Granted Patents = 22

Forward Citations = 223

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18 inventors (with patents filed for the assignee):

goldMedal Joachim Furstenberg (7 out of 7 patents)

silverMedal Bernhard Mokler (3 out of 11 patents)

bronzeMedal Helmut Stueble (3 out of 7 patents)

4.  Winfried Honmann (2 out of 3 patents)

5.  Dietmar Hencke (2 out of 2 patents)

6.  Stephan Gericke (1 out of 3 patents)

7.  Udo Mailander (1 out of 4 patents)

8.  Helmut Stuble (1 out of 1 patent)

9.  Heinz Burkhardt (1 out of 1 patent)

10.  Josef Velinsky (1 out of 1 patent)

11.  Helmut Stuble (1 out of 1 patent)

12.  David J Burke (1 out of 4 patents)

13.  Gerd-Eugen Schaal (1 out of 2 patents)

14.  Klaus Gunther (1 out of 2 patents)

15.  Claus Handel (1 out of 2 patents)


22 patents:

1. 5819520 - Ventilation system for a machine having at least one rotatable part (1998-10-13),
2. 5690165 - Ventilation device for a space zone (1997-11-25),
3. 5683512 - Varnishing machine (1997-11-04),
4. 5647889 - Air handling apparatus and method for textile machines (1997-07-15),
5. 5624020 - Device for linearly conveying sheet like products (1997-04-29),
6. 5595282 - Article treatment apparatus (1997-01-21),
7. 5579893 - Transfer device for products, in particular cans (1996-12-03),
8. 5564334 - Pin ovens and transfer devices therefor (1996-10-15),
9. 5497628 - Air conditioning process and device (1996-03-12),
10. 5279629 - Air handling apparatus and method for textile machines (1994-01-18),
11. 5114444 - Filter arrangement including at least one drum-type filter (1992-05-19),
12. 4904282 - Filter apparatus and method of operating same (1990-02-27),
13. 4217119 - Air filtering system (1980-08-12),
14. 4200441 - Regenerative heat exchanger (1980-04-29),
15. 4193779 - Air filtering apparatus (1980-03-18),
Company Overview
Ltg Lufttechnische GmbH, based in Stuttgart, Germany, specializes in the development and manufacturing of innovative air conditioning and ventilation systems. The company focuses on creating solutions that enhance indoor air quality and energy efficiency across various sectors, including commercial and industrial applications. With a commitment to sustainability and advanced engineering, Ltg Lufttechnische GmbH plays a significant role in shaping modern climate control technologies, ensuring optimal environments for diverse user needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#38 in D-7000 Stuttgart

#2,064 in Germany

#28,807 in the World

Stuttgart, DE
Stuttgart, Germany

Ltg Lufttechnische Gmbh

Forward Citations = 223

18 inventors:

goldMedal Joachim Furstenberg (7 out of 7 patents)

silverMedal Bernhard Mokler (3 out of 11 patents)

bronzeMedal Helmut Stueble (3 out of 7 patents)

4.  Winfried Honmann (2 out of 3 patents)

5.  Dietmar Hencke (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ltg Lufttechnische Gmbh. Retrieved from https://idiyas.com/company/ltg-lufttechnische

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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