DS

David B. Stewart

OT Ocean Power Technologies: 18 patents #1 of 40Top 3%
W( Wm. R. Stewart & Sons (Hacklemakers): 5 patents #1 of 6Top 20%
MP Molins Plc: 4 patents #29 of 155Top 20%
GE: 2 patents #13,562 of 36,430Top 40%
GE Genex: 1 patents #19 of 45Top 45%
Overall (All Time): #102,580 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 25 most recent of 34 patents

Patent #TitleCo-InventorsDate
11328697 Protective device minimizing dispersion of airborne pathogens from wind instruments Frances M Stewart 2022-05-10
9790913 Pitch and heave driven wave energy converter system including cable supported reaction masses 2017-10-17
9115686 Wave energy converter with rotary hydraulic spring 2015-08-25
8869524 Ball and socket power cable connector William B. Powers 2014-10-28
8763389 Reaction mass and spring oscillator for wave energy converter 2014-07-01
8723351 Multi-mode wave energy converter devices and systems James E. Eder 2014-05-13
8487459 Wave energy converter and power take off system James E. Eder 2013-07-16
8067849 Wave energy converter with internal mass on spring oscillator 2011-11-29
7476137 Expandable wave energy conversion system James S. Gerber 2009-01-13
7443046 Wave energy converter utilizing internal reaction mass and spring James S. Gerber 2008-10-28
7397152 Circuitry for increasing efficiency of a linear electric generator Henry I. Schanzer 2008-07-08
7362003 Coil switching circuit for linear electric generator Paul Smalser, Henry I. Schanzer 2008-04-22
7348764 Coil switching of an electric generator Timothy J. Liska 2008-03-25
7323790 Wave energy converters (WECs) with linear electric generators (LEGs) George W. Taylor 2008-01-29
7310944 Wave energy converters (WECs) with velocity multiplication Thomas Sabol 2007-12-25
7305823 Active impedance matching systems and methods for wave energy converter James S. Gerber 2007-12-11
7168532 Wave energy converter (WEC) with magnetic braking George W. Taylor 2007-01-30
7140180 Wave energy converter (WEC) device and system James S. Gerber 2006-11-28
7141888 Antirotational structures for wave energy converters Thomas Sabol 2006-11-28
6921246 Methods and apparatus for assembling gas turbine nozzles Gulcharan S. Brainch, William J. Miller, Richard W. Albrecht, Todd Stephen Heffron 2005-07-26
6539948 Suction band for a cigarette making machine John Dawson 2003-04-01
5447238 Separating mechanism Graham J. Aldridge, Harry J. Gilbertson 1995-09-05
5359180 Power supply system for arcjet thrusters John Norton Park, Robert Louis Steigerwald, George David Goodman 1994-10-25
5018538 Cigarette making machine Godfrey A. Wood 1991-05-28
5005259 Opening roller for open end spinning machines William R. Stewart 1991-04-09