Inventor
CHURCHILL DAVID L
US41 patents
⚠️ This page may combine multiple inventors who share the name “CHURCHILL DAVID L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROSTRAIN INC
19 patentsUS7839058B1Nov 23, 2010
Wideband vibration energy harvester
MICROSTRAIN INC101 citations99
US7429805B2Sep 30, 2008
Energy harvesting for wireless sensor operation and data transmission
MICROSTRAIN INC110 citations99
US7361998B2Apr 22, 2008
Energy harvesting for wireless sensor operation and data transmission
MICROSTRAIN INC86 citations99
US7256505B2Aug 14, 2007
Shaft mounted energy harvesting for wireless sensor operation and data transmission
MICROSTRAIN INC183 citations99
US7170201B2Jan 30, 2007
Energy harvesting for wireless sensor operation and data transmission
MICROSTRAIN INC123 citations99
US7081693B2Jul 25, 2006
Energy harvesting for wireless sensor operation and data transmission
MICROSTRAIN INC284 citations99
US8024980B2Sep 27, 2011
Independently calibrated wireless structural load sensor
MICROSTRAIN INC63 citations98
US8011255B2Sep 6, 2011
Shaft mounted energy harvesting for wireless sensor operation and data transmission
MICROSTRAIN INC63 citations98
US7692365B2Apr 6, 2010
Slotted beam piezoelectric composite
MICROSTRAIN INC49 citations98
US7461560B2Dec 9, 2008
Strain gauge with moisture barrier and self-testing circuit
MICROSTRAIN INC53 citations96
US7747415B1Jun 29, 2010
Sensor powered event logger
MICROSTRAIN INC73 citations95
US7672781B2Mar 2, 2010
Miniaturized wireless inertial sensing system
MICROSTRAIN INC123 citations95
US8010308B1Aug 30, 2011
Inertial measurement system with self correction
MICROSTRAIN INC45 citations94
US7898157B2Mar 1, 2011
Piezoelectric composite beam with automatically adjustable natural frequency
MICROSTRAIN INC17 citations93
US7646135B1Jan 12, 2010
Integrated piezoelectric composite and support circuit
MICROSTRAIN INC35 citations92
US7668667B2Feb 23, 2010
Miniature stimulating and sensing system
MICROSTRAIN INC43 citations90
US7880370B2Feb 1, 2011
Piezoelectric composite with tapered beam
MICROSTRAIN INC7 citations84
US7952721B2May 31, 2011
Optical linear and rotation displacement sensor
MICROSTRAIN INC0 citations52
US8022691B2Sep 20, 2011
Microminiature gauging displacement sensor
MICROSTRAIN INC0 citations39
CHURCHILL DAVID L
6 patentsUS8319402B1Nov 27, 2012
Bowl-shaped wide-band vibration energy harvester
CHURCHILL DAVID L23 citations92
US8154177B1Apr 10, 2012
Wide-band vibration energy harvester with stop
CHURCHILL DAVID L12 citations92
US5111367AMay 5, 1992
Fiber optic lighting device
CHURCHILL DAVID L25 citations92
US5000535AMar 19, 1991
Fiber optics light bar
CHURCHILL DAVID L36 citations92
US8134282B1Mar 13, 2012
Wide-band vibration energy harvester with restoring spring
CHURCHILL DAVID L9 citations83
US5109461AApr 28, 1992
Fiber optics light device
CHURCHILL DAVID L9 citations74
ARMS STEVEN W
4 patentsUS8490481B2Jul 23, 2013
Strain gauge with moisture barrier
ARMS STEVEN W4 citations73
US8490482B2Jul 23, 2013
Component and circuit with moisture barrier, transmitter, and protective cover
ARMS STEVEN W4 citations71
US8136408B2Mar 20, 2012
Strain sensor mounted with light curable adhesive
ARMS STEVEN W4 citations71
US8499628B2Aug 6, 2013
Cover for protecting component from shear force
ARMS STEVEN W2 citations60
(unassigned)
3 patentsBETA AIR LLC
3 patentsUS11840351B2Dec 12, 2023
Aircraft for self-neutralizing flight
BETA AIR LLC1 citations62
US11794915B2Oct 24, 2023
Method and system for a two-motor propulsion system for an electric aircraft
BETA AIR LLC1 citations56
US12466552B2Nov 11, 2025
Pilot-controlled position guidance for VTOL aircraft
BETA AIR LLC0 citations52