Dennis Koenig has been granted 5 US patents while listed as an inventor at Borgwarner . The first was granted in 1993 and the most recent in April 2023. Dennis Koenig ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Dennis Koenig in Waterford Township, MI, US.
Patents per Year Patents granted per year, 1993 to 2023 Bar chart with a peak of 1 patents in 1993. peak 1 1993: 1 patents 1993 2006: 1 patents 2006 2008: 1 patents 2008 2015: 1 patents 2015 2023: 1 patents 2023
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11635076 Variable displacement vane pump with improved pressure control and range Douglas G. Hunter , Fuzheng Hu , Matthew J. Jannausch 2023-04-25
8961148 Unified variable displacement oil pump and vacuum pump Douglas G. Hunter 2015-02-24
7396214 Variable displacement pump and control therefor Douglas G. Hunter 2008-07-08
$15,738,000
7018178 Variable displacement pump and control therefore for supplying lubricant to an engine Douglas G. Hunter 2006-03-28
$17,254,000
5205707 Ioric pump with cast impeller housing requiring three machined surfaces and one central piloting bore to control critical tolerances John E. Smith , William E. Ruhig, Jr. 1993-04-27
$8,193,000