DD

Douglas J. Duff

Honda Motor Co.: 8 patents #2,726 of 21,052Top 15%
JD John Deere: 2 patents #2,042 of 5,518Top 40%
HM Honda Of America Mfg.: 1 patents #14 of 48Top 30%
📍 Marysville, OH: #25 of 409 inventorsTop 7%
🗺 Ohio: #7,178 of 73,341 inventorsTop 10%
Overall (All Time): #440,908 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12097771 Vehicle energy control system and method of controlling energy for a vehicle having a work member Stacy K. Worley, Briton T. Eastman 2024-09-24
11890947 Vehicle energy control system and method of controlling energy for a vehicle Stacy K. Worley, Briton T. Eastman 2024-02-06
10300946 Apparatus and method for adjusting a joint of a connecting rod 2019-05-28
10202268 Aligner chair, support system including the aligner chair and method for suspending the aligner chair from a lift 2019-02-12
10053078 Methods, systems, and apparatus to test a vehicle brake system 2018-08-21
10041846 Rotary force diagnostic tools and methods Andrew M. Sweigart, Evan Yarrington 2018-08-07
9964457 Rotary force diagnostic tools and methods Andrew M. Sweigart 2018-05-08
9658062 Target holder and method of coupling target holder to vehicle wheel Thomas W. Kara 2017-05-23
9506639 Lighting systems and methods 2016-11-29
7976027 Intercompartment sealing member for vehicle Yoshinobu Noro, Andy Sweigart, Katsuyuki Suzuki, Takashi Komoriya 2011-07-12
6363774 Method and apparatus for brake leak detection 2002-04-02