AK

Andrew C. Keefe

General Motors: 30 patents #353 of 18,328Top 2%
HL Hrl Laboratories: 16 patents #99 of 709Top 15%
DY Dynalloy: 4 patents #9 of 51Top 20%
University of Michigan: 3 patents #689 of 4,352Top 20%
Microsoft: 3 patents #13,382 of 40,388Top 35%
TB The Boeing: 2 patents #5,172 of 15,756Top 35%
📍 Calabasas, CA: #23 of 4,119 inventorsTop 1%
🗺 California: #7,415 of 386,348 inventorsTop 2%
Overall (All Time): #50,697 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
9004226 Actively tunable lightweight acoustic barrier materials Geoffrey P. McKnight, Christopher P. Henry, Chia-Ming Chang 2015-04-14
8853916 Reconfigurable bi-stable device Alan L. Browne, Nancy L. Johnson, Geoffrey P. McKnight, Guillermo A. Herrera 2014-10-07
8844281 Shape memory alloy heat engines and energy harvesting systems Alan L. Browne, Nancy L. Johnson, John Andrew Shaw, Christopher B. Churchill, Geoffrey P. McKnight +4 more 2014-09-30
8800283 Method of starting and operating a shape memory alloy heat engine Alan L. Browne, Nancy L. Johnson, Nilesh D. Mankame, Paul W. Alexander, John Andrew Shaw +4 more 2014-08-12
8793993 Energy harvesting system for a vehicle Paul W. Alexander, Alan L. Browne, Nancy L. Johnson, Nilesh D. Mankame, Xiujie Gao +2 more 2014-08-05
8747264 Energy harvesting system for a vehicle Paul W. Alexander, Alan L. Browne, Nancy L. Johnson, Nilesh D. Mankame, Xiujie Gao +4 more 2014-06-10
8707693 Vehicle energy harvesting device having a continuous loop of shape memory alloy Paul W. Alexander, Alan L. Browne, Nancy L. Johnson, Nilesh D. Mankame, Geoffrey P. McKnight +2 more 2014-04-29
8703268 Morphing panel structure Christopher P. Henry, Sloan P. Smith 2014-04-22
8616330 Actively tunable lightweight acoustic barrier materials Geoffrey P. McKnight, Christopher P. Henry, Chia-Ming Chang 2013-12-31
8607562 Shape memory alloy heat engines and energy harvesting systems Alan L. Browne, Nancy L. Johnson, Paul W. Alexander, Peter Maxwell Sarosi, Guillermo A. Herrera +1 more 2013-12-17
8550222 Active material based bodies for varying frictional force levels at the interface between two surfaces Alan L. Browne, Nancy L. Johnson, Nilesh D. Mankame, William Barvosa-Carter, Norman K. Bucknor +3 more 2013-10-08
8427429 Active interface controls having bi-stable actuation and intrinsic sensing capability Alan L. Browne, Nancy L. Johnson, Geoffrey P. McKnight 2013-04-23
8390305 Methods of determining mid-stroke positions of active material actuated loads Guillermo A. Herrera, Xiujie Gao, Nancy L. Johnson, Alan L. Browne, Christopher P. Henry +2 more 2013-03-05
8240677 Active material based seal assemblies Alan L. Browne, Nancy L. Johnson, William Barvosa-Carter, Geoffrey P. McKnight, Christopher P. Henry 2012-08-14
8109042 Methods for varying seal force in active seal assemblies for doors Geoffrey P. McKnight, Cameron Massey, William Barvosa-Carter, Christopher P. Henry, Guillermo A. Herrera +2 more 2012-02-07
8096034 Reversible attachment mechanisms process William Barvosa-Carter, Alan L. Browne, Nancy L. Johnson 2012-01-17
7901524 Actuation concepts for variable stiffness materials Geoffrey P. McKnight, Bill Barvosa-Carter, Chris Henry, Richard Stewart Ross, Guillermo A. Herrera 2011-03-08
7845648 Discrete active seal assemblies William Barvosa-Carter, Christopher P. Henry, Guillermo A. Herrera, Geoffrey P. Mc Knight, Alan L. Browne +1 more 2010-12-07
7845709 Active material actuated flow trips Alan L. Browne, Nancy L. Johnson, Guillermo A. Herrera, Geoffrey P. Mc Knight, Christopher P. Henry +2 more 2010-12-07
7836564 Reversible attachment mechanisms William Barvosa-Carter, Alan L. Browne 2010-11-23
7823382 Active material actuator with modulated movement Ukpai I. Ukpai, Norman K. Bucknor, Xiujie Gao, Alan L. Browne, Nancy L. Johnson +1 more 2010-11-02
7594359 Active seal assemblies for sound isolation William Barvosa-Carter, Christopher P. Henry, Guillermo A. Herrera, Geoffrey P. Mc Knight, Nancy L. Johnson 2009-09-29
7538472 Programmable shims for manufacturing and assembly lines Alan L. Browne, Charles W. Wampler, II, Nancy L. Johnson, John A. Cafeo, Gary L. Jones +2 more 2009-05-26
7500704 Compartment access system with active material component and method for controlling access to an interior compartment Guillermo A. Herrera, Paul W. Alexander, Alan L. Browne, Nancy L. Johnson, Robert E. Doty 2009-03-10
7284786 Panels having active material based fold lines Alan L. Browne, Nilesh D. Mankame, Nancy L. Johnson 2007-10-23