Inventor
IVERS DOUGLAS E
US26 patents
⚠️ This page may combine multiple inventors who share the name “IVERS DOUGLAS E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LORD CORP
23 patentsUS6095486AAug 1, 2000
Two-way magnetorheological fluid valve assembly and devices utilizing same
LORD CORP180 citations98
US6009985AJan 4, 2000
Efficient multi-directional active vibration absorber assembly
LORD CORP94 citations98
US5906254AMay 25, 1999
Active systems and devices including active vibration absorbers (AVAS)
LORD CORP98 citations98
US5570286AOct 29, 1996
Regenerative system including an energy transformer which requires no external power source to drive same
LORD CORP165 citations98
US6158470ADec 12, 2000
Two-way magnetorheological fluid valve assembly and devices utilizing same
LORD CORP115 citations97
US5276622AJan 4, 1994
System for reducing suspension end-stop collisions
LORD CORP117 citations97
US4887699ADec 19, 1989
Vibration attenuating method utilizing continuously variable semiactive damper
LORD CORP162 citations97
US6311110B1Oct 30, 2001
Adaptive off-state control method
LORD CORP62 citations96
US4921272AMay 1, 1990
Semi-active damper valve means with electromagnetically movable discs in the piston
LORD CORP70 citations96
US6002778ADec 14, 1999
Active structural control system and method including active vibration absorbers (AVAS)
LORD CORP69 citations95
US5957440ASep 28, 1999
Active fluid mounting
LORD CORP59 citations94
US5947457ASep 7, 1999
Fluid-filled active vibration absorber
LORD CORP67 citations94
US7942248B2May 17, 2011
Adjustable damping control with end stop
LORD CORP45 citations92
US5551650ASep 3, 1996
Active mounts for aircraft engines
LORD CORP51 citations92
US4972929ANov 27, 1990
Bidirectional dual disc valve assembly
LORD CORP53 citations92
US5730429AMar 24, 1998
Decouplers for active devices
LORD CORP53 citations91
US5004079AApr 2, 1991
Semi-active damper valve means and method
LORD CORP54 citations91
US6695294B2Feb 24, 2004
Controlled equilibrium device with displacement dependent spring rates and integral damping
LORD CORP53 citations89
US6213442B1Apr 10, 2001
Isolation system for isolation tables and the like
LORD CORP47 citations89
US6983833B2Jan 10, 2006
Self-tuning vibration absorber system and method of absorbing varying frequency vehicle vibrations
LORD CORP37 citations87
US8033358B2Oct 11, 2011
Noise controlled turbine engine with aircraft engine adaptive noise control tubes
LORD CORP12 citations84
US9776712B2Oct 3, 2017
Helicopter vibration control system and circular force generation systems for canceling vibrations
LORD CORP8 citations83
US10392102B2Aug 27, 2019
Helicopter vibration control system and circular force generation systems for canceling vibrations
LORD CORP1 citations71