Fred Ogreenc has been granted 9 US patents while listed as an inventor at Kohler . The first was granted in 1993 and the most recent in July 2019. Fred Ogreenc ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Fred Ogreenc in Cedar Grove, WI, US.
Patents per Year Patents granted per year, 1993 to 2019 Bar chart with a peak of 2 patents in 2014. peak 2 1993: 1 patents 1993 2014: 2 patents 2014 2015: 2 patents 2015 2017: 2 patents 2017 2018: 1 patents 2018 2019: 1 patents 2019
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date
10358801 Frequency modulated sprayer Amruta Velapure , John C. Esche 2019-07-23
10071018 Whirlpool bathtub and purging system Jeff Tempas , Ravikanth Manchiraju , Santosh R. Narasimhan 2018-09-11
9775772 Whirlpool bathtub and purging system Jeff Tempas , Ravikanth Manchiraju , Santosh R. Narasimhan 2017-10-03
9585524 Wall-entry bathtub Scott R. Knapp , Santosh R. Narasimhan , Jeffrey F. Tempas , Kenneth A. Lefeber , David P. Ourada 2017-03-07
9220657 Water ingress detection system Joseph L. Stauber , Eric Sanders , Jason Seehafer , Richard Kluth 2015-12-29
9180067 User interface device for a bath or shower Jeff Tempas , Santosh R. Narasimhan , Ken Lefeber 2015-11-10
8863323 Wall-entry bathtub Scott R. Knapp , Santosh R. Narasimhan , Jeffrey F. Tempas , Kenneth A. Lefeber , David P. Ourada 2014-10-21
8847913 User interface device for a bath or shower Jeff Tempas , Santosh R. Narasimhan , Ken Lefeber 2014-09-30
5218726 Water conserving toilet Norman J. Jaeckels 1993-06-15