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

Malcolm S. Singer — 7 Patents

Chevron: 7 patents #678 of 4,788Top 15%
Novato, CA: #130 of 607 inventorsTop 25%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Malcolm S. Singer has been granted 7 US patents while listed as an inventor at Chevron. The first was granted in 1980 and the most recent in June 1988. Malcolm S. Singer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Malcolm S. Singer in Novato, CA, US.

Patents per Year

Patents granted per year, 1980 to 1988Bar chart with a peak of 3 patents in 1981.peak 31980: 2 patents19801981: 3 patents19811983: 1 patents19831988: 1 patents1988

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4753943 Algicidal and fungicidal 2-haloalkyl-3-oxo-4-substituted quinazoline William F. King 1988-06-28 $22,408,000
4405355 N-Alkyl or alkoxy-N'-substituted hydrocarbyl urea 1983-09-20 $21,137,000
4273572 N-Alkyl or alkoxy-N'-substituted hydrocarbyl urea 1981-06-16 $40,978,000
4266033 Cellulose fermentation process 1981-05-05 $46,919,000
4248620 Fungicidal and herbicidal 5-haloaminoalkylimino-1,3-imidazolidine-2,4-diones 1981-02-03 $32,913,000
4219673 2-(Trichloromethyldithio)acetic acid and related compounds 1980-08-26 $19,678,000
4200450 N-Alkyl or alkoxy-N'-substituted hydrocarbyl urea 1980-04-29 $24,282,000