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

Stephen Wilhelm — 6 Patents

SDSweetbriar Development: 4 patents #2 of 3Top 70%
Watsonville, CA: #50 of 232 inventorsTop 25%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Stephen Wilhelm has been granted 6 US patents while listed as an inventor at Sweetbriar Development. The first was granted in 1988 and the most recent in August 1997. Stephen Wilhelm ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Stephen Wilhelm in Watsonville, CA, US.

Patents per Year

Patents granted per year, 1988 to 1997Bar chart with a peak of 2 patents in 1992.peak 21988: 1 patents19881992: 2 patents19921995: 1 patents19951996: 1 patents19961997: 1 patents1997

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5656673 Method of reducing emissions from soils John M. Wilhelm 1997-08-12
PP9653 Raspberry plant cv. `Wilhelm` Carlos D. Fear 1996-10-08
PP9340 Raspberry plant cv. `Isabel` Carlos D. Fear 1995-10-24
PP8027 "Hybrid raspberry cv. ""Hollins""" 1992-11-10
PP8022 "Hybrid raspberry cv. ""Lawrence""" 1992-11-03
PP6493 """Joe mello"" red raspberry" 1988-12-27