BD

Brian Dutson

TL Torotrak (Development) Limited: 11 patents #3 of 34Top 9%
AT Allison Transmission: 3 patents #89 of 196Top 50%
EA Eaton: 3 patents #934 of 3,708Top 30%
Overall (All Time): #254,214 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10533645 Dual-cavity toroidal variator Andrew De Freitas 2020-01-14
10519852 Supercharging arrangement with a supercharger and variable-speed drive unit James Shawe, John William Edward Fuller, Andrew Defreitas 2019-12-31
10221926 Continuously variable toroidal transmission Andrew De Freitas 2019-03-05
9175758 Transmission of the toroidal race rolling traction type Leslie Kendrick Robinson 2015-11-03
9051999 Continuously variable transmission Yasuhiro Ishihara, Masahiko Ando 2015-06-09
8500593 Twin variator transmission arrangement 2013-08-06
8096918 Variator 2012-01-17
7951041 Variator 2011-05-31
7637841 Continuously variable ratio transmission unit and method of assembly thereof 2009-12-29
7632208 Continuously variable transmissions Christopher John Greenwood, Andrew Damian Defrietas, Ian David Cornwell 2009-12-15
7018320 Roller control unit Leslie Kendrick Robinson, Ian David Cornwell 2006-03-28
6464614 Hydraulic supply for infinitely variable transmission 2002-10-15
6306060 Cooling fluid supply to hydraulically actuated rollers in a continuously-variable-ratio transmission Andrew De Freitas 2001-10-23
6273839 Roller control unit for a continuously-variable-ratio transmission 2001-08-14
6164151 Composite selector fork arrangement adapted to cooperate with a selector sleeve Gary Armstrong, Michael James Thompson 2000-12-26
5927146 System and method for preventing gear hopout in a compound transmission 1999-07-27
5839319 System for preventing gear hopout in a compound transmission 1998-11-24
5031472 Neutral sensing assembly Trevor Pitchford 1991-07-16