Inventor
COHEN DAVID A
US49 patents
⚠️ This page may combine multiple inventors who share the name “COHEN DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IROBOT CORP
25 patentsUS7459871B2Dec 2, 2008
Debris sensor for cleaning apparatus
IROBOT CORP158 citations99
US7332890B2Feb 19, 2008
Autonomous robot auto-docking and energy management systems and methods
IROBOT CORP490 citations99
US7288912B2Oct 30, 2007
Debris sensor for cleaning apparatus
IROBOT CORP182 citations99
US6956348B2Oct 18, 2005
Debris sensor for cleaning apparatus
IROBOT CORP266 citations99
US10037038B2Jul 31, 2018
Lawn care robot
IROBOT CORP28 citations98
US9550294B2Jan 24, 2017
Autonomous robot auto-docking and energy management systems and methods
IROBOT CORP32 citations98
US9215957B2Dec 22, 2015
Autonomous robot auto-docking and energy management systems and methods
IROBOT CORP60 citations98
US9144361B2Sep 29, 2015
Debris sensor for cleaning apparatus
IROBOT CORP44 citations98
US8954193B2Feb 10, 2015
Lawn care robot
IROBOT CORP79 citations98
US8386081B2Feb 26, 2013
Navigational control system for a robotic device
IROBOT CORP76 citations98
US8378613B2Feb 19, 2013
Debris sensor for cleaning apparatus
IROBOT CORP41 citations98
US9043952B2Jun 2, 2015
Lawn care robot
IROBOT CORP55 citations97
US9043953B2Jun 2, 2015
Lawn care robot
IROBOT CORP39 citations97
US10758100B2Sep 1, 2020
Autonomous robot auto-docking and energy management systems and methods
IROBOT CORP12 citations94
US9931750B2Apr 3, 2018
Autonomous robot auto-docking and energy management systems and methods
IROBOT CORP17 citations94
US9884423B2Feb 6, 2018
Autonomous robot auto-docking and energy management systems and methods
IROBOT CORP21 citations94
US9883783B2Feb 6, 2018
Debris sensor for cleaning apparatus
IROBOT CORP11 citations93
US9591959B2Mar 14, 2017
Debris sensor for cleaning apparatus
IROBOT CORP11 citations93
US8781626B2Jul 15, 2014
Navigational control system for a robotic device
IROBOT CORP25 citations93
US9713302B2Jul 25, 2017
Robot confinement
IROBOT CORP16 citations92
US10595695B2Mar 24, 2020
Debris sensor for cleaning apparatus
IROBOT CORP4 citations84
US10182693B2Jan 22, 2019
Debris sensor for cleaning apparatus
IROBOT CORP4 citations84
US9949608B2Apr 24, 2018
Navigational control system for a robotic device
IROBOT CORP2 citations73
US11194342B2Dec 7, 2021
Lawn care robot
IROBOT CORP0 citations62
US10813517B2Oct 27, 2020
Navigational control system for a robotic device
IROBOT CORP0 citations52
COHEN DAVID A
6 patentsUS8461803B2Jun 11, 2013
Autonomous robot auto-docking and energy management systems and methods
COHEN DAVID A79 citations99
US8390251B2Mar 5, 2013
Autonomous robot auto-docking and energy management systems and methods
COHEN DAVID A94 citations99
US8854001B2Oct 7, 2014
Autonomous robot auto-docking and energy management systems and methods
COHEN DAVID A53 citations98
US8749196B2Jun 10, 2014
Autonomous robot auto-docking and energy management systems and methods
COHEN DAVID A64 citations98
US8413764B1Apr 9, 2013
Ladder safety device, systems and methods of arresting falls from ladders
COHEN DAVID A42 citations94
US9447639B2Sep 20, 2016
Ladder safety device, systems and methods of arresting falls from ladders
COHEN DAVID A3 citations69
LANDRY GREGG W
4 patentsUS8598829B2Dec 3, 2013
Debris sensor for cleaning apparatus
LANDRY GREGG W47 citations97
US8456125B2Jun 4, 2013
Debris sensor for cleaning apparatus
LANDRY GREGG W51 citations97
US8428778B2Apr 23, 2013
Navigational control system for a robotic device
LANDRY GREGG W83 citations97
US8253368B2Aug 28, 2012
Debris sensor for cleaning apparatus
LANDRY GREGG W55 citations97
SANDIN PAUL E
3 patentsLASER METRIC SYSTEMS INC
3 patentsUS4775236AOct 4, 1988
Laser based roundness and diameter gaging system and method of using same
LASER METRIC SYSTEMS INC27 citations90
US4816744AMar 28, 1989
Method and device for measuring inside diameters using a laser interferometer and capacitance measurements
LASER METRIC SYSTEMS INC13 citations71
US4678337AJul 7, 1987
Laser based gaging system and method of using same
LASER METRIC SYSTEMS INC14 citations71