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USPTO Patent Rankings Data through Dec 31, 2025
JR

Jan E. Rydquist — 6 Patents

AVAb Volvo: 5 patents #18 of 373Top 5%
Dr. Ing. H.C. F. Porsche Ag: 1 patents #1,158 of 2,421Top 50%
Lindome, SE: #35 of 256 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Jan E. Rydquist has been granted 6 US patents while listed as an inventor at Ab Volvo. The first was granted in 1984 and the most recent in May 2000. Jan E. Rydquist ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Jan E. Rydquist in Lindome, SE.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6062024 Manifold for a turbo-charged internal combustion engine Lennarth Zander, Ingemar Martinsson 2000-05-16 $1,840,000
5931124 Valve timing for internal-combustion engines Martin Kerkau, Ingemar Denbratt 1999-08-03
5408979 Method and a device for regulation of a turbo-charging device Ove Backlund, Mats Dahlgren, Lars Sandberg 1995-04-25 $215,000
4467607 System for controlling the inlet pressure in a turbocharged combustion engine Lars Sandberg, Ralf Wallin 1984-08-28
4463565 Turbocharged internal combustion engine with boost pressure and ignition timing control for preventing knocking combustion Lars Sandberg, Ralf Wallin 1984-08-07
4459808 System for controlling the charge air pressure in a turbo-charged combustion engine Lars Sandberg, Ralf Wallin 1984-07-17