DT

David Thorpe

CO Contour: 5 patents #2 of 27Top 8%
CH Contour Ip Holding: 4 patents #11 of 20Top 60%
ZD Ziba Design: 4 patents #3 of 14Top 25%
Nike: 2 patents #1,572 of 2,652Top 60%
LI Lexmark International: 1 patents #1,041 of 1,615Top 65%
Overall (All Time): #230,653 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12348843 Image orientation control for a portable digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +5 more 2025-07-01
11310398 Image orientation control for a portable digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +5 more 2022-04-19
10965843 Image orientation control for a portable digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +5 more 2021-03-30
10477078 Image orientation control for a portable digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +5 more 2019-11-12
8792041 Control switch for a portable digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +5 more 2014-07-29
D689114 Camera mount Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +2 more 2013-09-03
8430547 Compact motion-simulating device Alan W. Reichow, Herb Yoo, Ryan C. Coulter, Christian Freissler, Dave R. Knaub +4 more 2013-04-30
D671542 Imaging device Jay Scott Siekmann, Chunshik Kim, Christian Freissler, Jo Frances Wollschlaeger 2012-11-27
D665006 Plug mount for camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +2 more 2012-08-07
D640722 Digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +2 more 2011-06-28
D640304 Base mount for securing a portable camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +2 more 2011-06-21
7950803 Perspective vision tunnel Alan W. Reichow, Herb Yoo, Ryan C. Coulter, Christian Freissler, Dave R. Knaub +4 more 2011-05-31
D621435 Portable digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +2 more 2010-08-10
D616006 Portable digital video camera Jason Green, Marc Barros, Chunshik Kim, Felix Ballerstedt, David Randall Knaub +2 more 2010-05-18
D425175 Water filter cap Albert Spokoiny, Eric Y. Park 2000-05-16
5762787 Fluid filtration system having a readily detachable cartridge filter Eric Y. Park, David Randall Knaub, Howard H. Barney, Joshua K. Hoyt 1998-06-09
5725025 Fluid filtration system with quick-release fluid hose fitting Eric Y. Park, David Randall Knaub, Howard H. Barney, Joshua K. Hoyt 1998-03-10
5709795 Fluid filtration system having a fluid hose storage system Eric Y. Park, David Randall Knaub, Howard H. Barney, Joshua K. Hoyt 1998-01-20
5549010 Readily serviceable ancillary fluid filtration system having visual flow rate indicator and quick-release fluid hose fitting Eric Y. Park, David Randall Knaub, Howard H. Barney, Joshua K. Hoyt 1996-08-27