Inventor
STEWART DAVID B
US42 patents
⚠️ This page may combine multiple inventors who share the name “STEWART DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCEAN POWER TECHNOLOGIES INC
11 patentsUS7323790B2Jan 29, 2008
Wave energy converters (WECs) with linear electric generators (LEGs)
OCEAN POWER TECHNOLOGIES INC111 citations98
US7443046B2Oct 28, 2008
Wave energy converter utilizing internal reaction mass and spring
OCEAN POWER TECHNOLOGIES INC60 citations97
US7168532B2Jan 30, 2007
Wave energy converter (WEC) with magnetic braking
OCEAN POWER TECHNOLOGIES INC43 citations96
US7140180B2Nov 28, 2006
Wave energy converter (WEC) device and system
OCEAN POWER TECHNOLOGIES INC66 citations96
US7305823B2Dec 11, 2007
Active impedance matching systems and methods for wave energy converter
OCEAN POWER TECHNOLOGIES INC57 citations95
US7141888B2Nov 28, 2006
Antirotational structures for wave energy converters
OCEAN POWER TECHNOLOGIES INC56 citations93
US7476137B2Jan 13, 2009
Expandable wave energy conversion system
OCEAN POWER TECHNOLOGIES INC28 citations92
US7348764B2Mar 25, 2008
Coil switching of an electric generator
OCEAN POWER TECHNOLOGIES INC45 citations92
US7362003B2Apr 22, 2008
Coil switching circuit for linear electric generator
OCEAN POWER TECHNOLOGIES INC44 citations91
US7310944B2Dec 25, 2007
Wave energy converters (WECs) with velocity multiplication
OCEAN POWER TECHNOLOGIES INC29 citations89
US7397152B2Jul 8, 2008
Circuitry for increasing efficiency of a linear electric generator
OCEAN POWER TECHNOLOGIES INC15 citations82
STEWART DAVID B
7 patentsUS8067849B2Nov 29, 2011
Wave energy converter with internal mass on spring oscillator
STEWART DAVID B29 citations92
US9115686B2Aug 25, 2015
Wave energy converter with rotary hydraulic spring
STEWART DAVID B11 citations84
US9790913B2Oct 17, 2017
Pitch and heave driven wave energy converter system including cable supported reaction masses
STEWART DAVID B3 citations73
US8763389B2Jul 1, 2014
Reaction mass and spring oscillator for wave energy converter
STEWART DAVID B5 citations73
US8723351B2May 13, 2014
Multi-mode wave energy converter devices and systems
STEWART DAVID B5 citations72
US11328697B1May 10, 2022
Protective device minimizing dispersion of airborne pathogens from wind instruments
STEWART DAVID B4 citations64
US8869524B2Oct 28, 2014
Ball and socket power cable connector
STEWART DAVID B3 citations58
STEWART & SONS WM R
6 patentsUS4270245AJun 2, 1981
Lag or stave assembly for Kirschner beaters
STEWART & SONS WM R35 citations90
US4184619AJan 22, 1980
Cutting device
STEWART & SONS WM R15 citations73
US4162559AJul 31, 1979
Carding apparatus
STEWART & SONS WM R11 citations73
US4869060ASep 26, 1989
Fiber opening devices
STEWART & SONS WM R7 citations68
US4825511AMay 2, 1989
Securing segments to a base
STEWART & SONS WM R7 citations66
US4530133AJul 23, 1985
Opening roller for open end spinning machines
STEWART & SONS WM R3 citations60
PHYSIO CONTROL INC
6 patentsUS9364682B2Jun 14, 2016
Emergency monitor-defibrillator with telemedicine capability
PHYSIO CONTROL INC7 citations82
US10099063B2Oct 16, 2018
Medical monitor-defibrillator with defibrillator and data operations processors
PHYSIO CONTROL INC10 citations80
US10068667B2Sep 4, 2018
Decision support system using intelligent agents
PHYSIO CONTROL INC2 citations68
US9707408B2Jul 18, 2017
Emergency monitor-defibrillator with telemedicine capability and remote activation
PHYSIO CONTROL INC1 citations50
US10559384B2Feb 11, 2020
Decision support system using intelligent agents
PHYSIO CONTROL INC0 citations49
US10500404B2Dec 10, 2019
Universally adaptable module for defibrillator monitors
PHYSIO CONTROL INC0 citations31