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La Verpillière, France

L'unite Hermetique

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USPTO Granted Patents = 9

Forward Citations = 54

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16 inventors (with patents filed for the assignee):

Francis Bidaud (4 out of 4 patents)

Jacques Plisson (4 out of 4 patents)

Harald Roth (4 out of 5 patents)

4. Sylvain Benoit (4 out of 4 patents)

5. Gerard Morizot (3 out of 9 patents)

6. Adolf Huber (2 out of 2 patents)

7. Gerard Rilly (1 out of 27 patents)

8. Emile Bergeron (1 out of 1 patent)

9. Jean-Pierre Braga (1 out of 1 patent)

10. Ge/ Rard Morizot (1 out of 1 patent)

11. Ge/ Rard Rilly (1 out of 1 patent)

12. Daniel Drevet (1 out of 1 patent)

13. Adrien Grollier-Baron (1 out of 1 patent)

14. Joel Crespin (1 out of 1 patent)

15. M Joel Crespin (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 5767652 - Method and system for supplying optimal power to an inductive-type load (1998-06-16),

2. 5592368 - Static frequency converter which compensates for fluctuations in a (1997-01-07),

3. 5548199 - Optimal power supply for an electric motor (1996-08-20),

4. 5497313 - Switching method and apparatus for increasing efficiency of an inductive (1996-03-05),

5. 5158514 - Silent hermetic motor-compressor set (1992-10-27),

6. 4984971 - Anti-vibratory device to attach a hermetic compresser chamber to its base (1991-01-15),

7. 4777834 - Method for determining a composite material constituting the moving (1988-10-18),

8. 4456431 - Axial ventilator with protected blades (1984-06-26),

9. 4377938 - Device for cooling the compressor of a thermal machine (1983-03-29),

Company Overview

L'unite Hermetique is a leading manufacturer of hermetic refrigeration compressors and condensing units for the commercial and industrial refrigeration industry. With over 80 years of experience, the company offers a wide range of reliable and efficient products designed to meet the needs of its customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#1 in La Verpillière

#1,854 in France

La Verpillière, France

L'unite Hermetique

Forward Citations = 54

16 inventors:

Francis Bidaud (4 out of 4 patents)

Jacques Plisson (4 out of 4 patents)

Harald Roth (4 out of 5 patents)

4. Sylvain Benoit (4 out of 4 patents)

5. Gerard Morizot (3 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: L'unite Hermetique. Retrieved from https://idiyas.com/company/l-unite-hermetique

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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