Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Philippe Lassiaz — 27 Patents

VAValeo: 27 patents #4 of 329Top 2%
Boulogne, FR: #2 of 166 inventorsTop 2%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Philippe Lassiaz has been granted 27 US patents while listed as an inventor at Valeo. The first was granted in 1985 and the most recent in January 1992. Philippe Lassiaz ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Philippe Lassiaz in Boulogne, FR.

Patents per Year

Patents granted per year, 1985 to 1992Bar chart with a peak of 7 patents in 1987.peak 71985: 1 patents19851986: 4 patents19861987: 7 patents19871988: 5 patents19881989: 6 patents19891990: 3 patents19901992: 1 patents1992

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
5082098 Assembly for coupling a locating member to a diaphragm, particularly for an automotive clutch Christian Gay 1992-01-21
4923044 Clutch control device, especially for automotive vehicles Christian Gay 1990-05-08
4919246 Assembly of two generally annular members, in particular a diaphragm and securing member for a clutch mechanism, particularly for an automobile Christian Gay 1990-04-24
4890711 Clutch control system for an automobile vehicle, and a clutch release bearing therefor Roger Carmillet 1990-01-02
4883155 Clutch release bearing, in particular for automotive vehicle Christian Gay 1989-11-28
4881629 Clutch release bearing Christian Gay 1989-11-21
4878572 Roller bearing cage for clutch release bearing Christian Gay 1989-11-07
4872539 Clutch release bearing for an automobile vehicle and means for the installation thereof Christian Gay 1989-10-10
4854436 Clutch release bearing Gino Villata, Carlo Beccaris 1989-08-08
4852710 Clutch release bearing with bistable spring washer Christian Gay 1989-08-01
4789052 Automative clutch release bearing Christian Gay 1988-12-06
4782935 Clutch release bearing assembly in particular for automobile vehicles Christian Gay 1988-11-08
4750601 Automotive clutch release bearing Christian Gay 1988-06-14
4733763 Couplable/decouplable clutch release bearing assembly Christian Gay 1988-03-29
4733762 Couplable/decouplable clutch release bearing assembly Christian Gay 1988-03-29
4697681 Pull-type clutch release bearing assembly Christian Gay 1987-10-06
4667800 Pulled type clutch release mechanism Bernard Mallet 1987-05-26
4664241 Clutch release bearing assembly Pierre Renaud 1987-05-12
4660701 Assembly of a clutch release bearing, especially for a motor vehicle Bernard Mallet 1987-04-28
4648499 Release bearing mounting Dominique Despres 1987-03-10
4646901 Clutch release bearing especially for a motor vehicle Bernard Mallet 1987-03-03
4643286 Clutch release bearing 1987-02-17
4629049 Sustained self-centering clutch release bearing for motor vehicles 1986-12-16
4613027 Gripping piece to be attached to the diaphragm of a clutch, and an assembly unit consisting of such a diaphragm and such a gripping piece Bernard Mallet 1986-09-23
4601379 Friction clutch Pierre Renaud 1986-07-22