Inventor
CRAWFORD DOUGLAS A
US31 patents
⚠️ This page may combine multiple inventors who share the name “CRAWFORD DOUGLAS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAUTILUS INC
24 patentsUS7261678B2Aug 28, 2007
Adjustable dumbbell system
NAUTILUS INC100 citations99
US7811209B2Oct 12, 2010
Upper body exchange and flywheel enhanced dual deck treadmills
NAUTILUS INC49 citations98
US7621850B2Nov 24, 2009
Dual deck exercise device
NAUTILUS INC105 citations98
US7618346B2Nov 17, 2009
System and method for controlling an exercise apparatus
NAUTILUS INC61 citations98
US7553260B2Jun 30, 2009
Exercise device with treadles
NAUTILUS INC63 citations98
US7517303B2Apr 14, 2009
Upper body exercise and flywheel enhanced dual deck treadmills
NAUTILUS INC57 citations98
USD540894SApr 17, 2007
Adjustable dumbbell
NAUTILUS INC66 citations98
USD540405SApr 10, 2007
Adjustable dumbbell
NAUTILUS INC67 citations98
US8002674B2Aug 23, 2011
Dual deck exercise device
NAUTILUS INC72 citations97
US7815549B2Oct 19, 2010
Control system and method for an exercise apparatus
NAUTILUS INC65 citations97
US7704191B2Apr 27, 2010
Dual treadmill exercise device having a single rear roller
NAUTILUS INC68 citations97
US8002680B2Aug 23, 2011
Adjustable dumbbell system
NAUTILUS INC31 citations96
US7794373B2Sep 14, 2010
Adjustable dumbbell system
NAUTILUS INC41 citations96
US7614982B2Nov 10, 2009
Adjustable dumbbell system
NAUTILUS INC45 citations96
US7553265B2Jun 30, 2009
Adjustable dumbbell system
NAUTILUS INC38 citations96
USD508628SAug 23, 2005
Adjustable dumbbell support base
NAUTILUS INC50 citations96
US9308415B2Apr 12, 2016
Upper body exercise and flywheel enhanced dual deck treadmills
NAUTILUS INC29 citations94
US9352187B2May 31, 2016
Dual deck exercise device
NAUTILUS INC24 citations93
US9072932B2Jul 7, 2015
Exercise device with treadles
NAUTILUS INC24 citations92
US7967730B2Jun 28, 2011
System and method for controlling an exercise apparatus
NAUTILUS INC22 citations92
USD473273SApr 15, 2003
Exercise bicycle handlebar
NAUTILUS INC30 citations92
US7914421B2Mar 29, 2011
Treadmill deck locking mechanism
NAUTILUS INC41 citations91
US7736280B2Jun 15, 2010
Treadmill deck locking mechanism
NAUTILUS INC30 citations91
US9440107B2Sep 13, 2016
Exercise device with treadles
NAUTILUS INC0 citations52
PIAGET GARY
5 patentsUS8734300B2May 27, 2014
Dual deck exercise device
PIAGET GARY34 citations97
US8550962B2Oct 8, 2013
Dual deck exercise device
PIAGET GARY58 citations97
US8113994B2Feb 14, 2012
Exercise device with treadles
PIAGET GARY41 citations97
US8439807B2May 14, 2013
Exercise device with treadles
PIAGET GARY10 citations84
US8696524B2Apr 15, 2014
Dual deck exercise device
PIAGET GARY4 citations83