Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PL

Pierre Laffont — 3 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
Saint-Égrève, FR: #139 of 471 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Pierre Laffont has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1990 and the most recent in January 1995. Pierre Laffont ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Pierre Laffont in Saint-Égrève, FR.

Patents per Year

Patents granted per year, 1990 to 1995Bar chart with a peak of 1 patents in 1990.peak 11990: 1 patents19901992: 1 patents19921995: 1 patents1995

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5382896 Measuring assembly with current sensor and supply transformer Pierre Schueller, Pascal Houbre 1995-01-17
5126710 Electromagnetic relay polarized by a permanent magnet Pierre Schueller, Bruno Querlioz 1992-06-30
4939492 Electromagnetic trip device with tripping threshold adjustment Andre Raso, Denis Vial 1990-07-03