KW

Keith Warren

EX Exergyn: 9 patents #8 of 205Top 4%
LS Litton Systems: 9 patents #37 of 838Top 5%
LM Louis Vuitton Malletier: 1 patents #59 of 109Top 55%
Overall (All Time): #178,233 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12298450 Shape memory alloy heat pump Matthieu Morhan, Fintan McDonnell, Robert R. Kelly, Christopher English, Laura Fox +3 more 2025-05-13
12276266 Engine operating using a compression SMA material Mike Langan, Kevin O'Toole 2025-04-15
12140346 System and method for work recovery in a heat pump Kevin O'Toole, Richard Blackburn, Greg Pittam, Neil J. Dwyer, Michael Langan 2024-11-12
12085315 Elastocaloric heat recovery in a heat pump / refrigeration system using a pump mechanism Kevin O'Toole 2024-09-10
12072125 System and method for maximising heat output and temperature delta in a SMA heat pump/refrigeration system Kevin O'Toole 2024-08-27
10563640 Optimised diametric contraction of a SMA element for use in an energy recovery device Barry Cullen, Georgiana Tirca-Dragomirescu, Kevin O'Toole, Ronan Byrne, Robert R. Kelly 2020-02-18
10288049 Method and system for efficiency increase in an energy recovery device Georgiana Tirca-Dragomirescu 2019-05-14
10036118 Wire element arrangement in an energy recovery device Barry Cullen, Kevin O'Toole, Georgiana Tirca-Dragomirescu, Ronan Byrne, Rory Beirne 2018-07-31
9995289 Bundle holder for use in an energy recovery device Barry Cullen, Kevin O'Toole, Geogiana Tirca-Dragomirescu, Rory Beirne 2018-06-12
9885344 Energy recovery device Barry Cullen, Kevin O'Toole, Nicholas Breen, Daniel Healy Grace, Robert R. Kelly 2018-02-06
9382706 Method of retrofitting a building 2016-07-05
9074366 Method of retrofitting a building 2015-07-07
D500411 Fabric 2005-01-04
5850042 Electrostatically force balanced silicon accelerometer 1998-12-15
5840199 Method for purging a multi-layer sacrificial etched silicon substrate 1998-11-24
5503285 Method for forming an electrostatically force balanced silicon accelerometer 1996-04-02
5497660 Digital force balanced instrument 1996-03-12
5476819 Substrate anchor for undercut silicon on insulator microstructures 1995-12-19
5446616 Electrode structure and method for anodically-bonded capacitive sensors 1995-08-29
5142921 Force balance instrument with electrostatic charge control Robert E. Stewart 1992-09-01
5094969 Method for making a stackable multilayer substrate for mounting integrated circuits 1992-03-10
5006923 Stackable multilayer substrate for mounting integrated circuits 1991-04-09
4522072 Electromechanical transducer strain sensor arrangement and construction Robert E. Sulouff, Jr., Sam S. Hartin, Koy B. Cook, Jr., David V. Kerns, Jr., Jimmy L. Davidson 1985-06-11