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John E. Grimmer — 6 Patents

Franklin, IN: #10 of 80 inventorsTop 15%
Indiana: #6,140 of 33,936 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John E. Grimmer has been granted 6 US patents. The first was granted in 1980 and the most recent in February 2004. John E. Grimmer ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John E. Grimmer in Franklin, IN, US.

Patents per Year

Patents granted per year, 1980 to 2004Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801985: 1 patents19851986: 1 patents19861991: 1 patents19911995: 1 patents19952004: 1 patents2004

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6695591 Multi-stage gas compressor system Edward T. Ketcham 2004-02-24
5400751 Monoblock internal combustion engine with air compressor components Glen Juergensen 1995-03-28
5056601 Air compressor cooling system — 1991-10-15
4563132 Compound turbocharger system for an internal combustion engine — 1986-01-07
4496291 Compound turbocharger system for an internal combustion engine — 1985-01-29
4232997 Method and apparatus for controlling compressors Robert L. Donahue 1980-11-11

Frequent Collaborators

Robert L. Donahue1 shared
Edward T. Ketcham1 shared
Glen Juergensen1 shared

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