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For the Inventor, By the Inventor

Rennes, France

Legris Sa


USPTO Granted Patents = 57

% Expired Patents = 29.8


Trademarks = 4

Forward Citations = 1,078

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27 inventors (with patents filed for the assignee):

goldMedal Philippe Le Quere (11 out of 26 patents)

silverMedal Philippe Blivet (7 out of 11 patents)

bronzeMedal Philippe Poder (6 out of 10 patents)

4.  Nicolas Le Bars (6 out of 6 patents)

5.  Pascal Le Clinche (5 out of 5 patents)

6.  Daniel Belisaire (5 out of 6 patents)

7.  Pierre Serot (4 out of 4 patents)

8.  Patrick Legeai (3 out of 3 patents)

9.  Jean-Noel Musellec (3 out of 3 patents)

10.  Andre A Legris (3 out of 23 patents)

11.  Philippe Georgel (3 out of 3 patents)

12.  Christophe Vallee (2 out of 2 patents)

13.  Olivier Bogard (2 out of 2 patents)

14.  Olivier Guivarc'h (2 out of 2 patents)

15.  Frédéric Goilot (2 out of 2 patents)


Core Competencies:
Fluid Coupling
Quick Connector
Leaktight Coupling
Pneumatic Pressure
Air Blow Gun
Ball Coupler
Flow Regulator
Connecting Device
Automatic Coupler
Connector Safety
Sealing Device
Junction Member

57 patents:

1. 8231145 - Connecting device with welded body (2012-07-31),
2. 7878554 - Non-aggressive anchor washer (2011-02-01),
3. 7845685 - Instant coupling device with locking and/or disconnection means (2010-12-07),
4. 7806444 - Element weldable by friction to a tube end, and a corresponding welding method (2010-10-05),
5. 7762593 - Ball coupler (2010-07-27),
6. 7448655 - Instantaneous connection device (2008-11-11),
7. 7448654 - Fluid transport circuit element (2008-11-11),
8. D572341 - Air blow gun (2008-07-01),
9. D572340 - Air blow gun (2008-07-01),
10. D572339 - Air blow gun (2008-07-01),
11. 7344165 - Instantaneous connection device (2008-03-18),
12. 7338086 - Connector with enhanced safety (2008-03-04),
13. 7316425 - Quick connector (2008-01-08),
14. 7273236 - Quick coupling (2007-09-25),
15. 7273235 - Toothed washer for a tube coupler device, a method of making a toothed washer, and a coupler device of the quick coupling type (2007-09-25),
Company Overview
Legris Sa, headquartered in Rennes, France, specializes in fluid coupling technology, focusing on the development and manufacturing of innovative solutions for connecting devices in various applications. The company is recognized for its expertise in fluid coupling, quick connectors, and leaktight couplings, catering to industries that require reliable pneumatic pressure systems. Legris Sa's product range includes air blow guns, ball couplers, and flow regulators, emphasizing efficiency and safety in fluid management across diverse sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Legris Sa USPTO Patent Assignee Logo
57 Patents

#2 in Rennes

#430 in France

#12,552 in the World

Rennes, FR
Rennes, France

Legris Sa

Forward Citations = 1,078

27 inventors:

goldMedal Philippe Le Quere (11 out of 26 patents)

silverMedal Philippe Blivet (7 out of 11 patents)

bronzeMedal Philippe Poder (6 out of 10 patents)

4.  Nicolas Le Bars (6 out of 6 patents)

5.  Pascal Le Clinche (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Legris Sa. Retrieved from https://idiyas.com/company/legris-sa

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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