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USPTO Patent Rankings Data through Dec 31, 2025
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Douglas E. Ivers — 31 Patents

LOLord: 29 patents #3 of 448Top 1%
NUNupulsecv: 2 patents #3 of 15Top 20%
NUNorth Carolina State University: 1 patents #675 of 1,607Top 45%
Cary, NC: #165 of 3,681 inventorsTop 5%
North Carolina: #1,252 of 45,564 inventorsTop 3%
Overall (All Time): #115,823 of 4,157,543Top 3%
31 Patents All Time
Douglas E. Ivers has been granted 31 US patents while listed as an inventor at Lord. The first was granted in 1989 and the most recent in December 2024. Douglas E. Ivers ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list Douglas E. Ivers in Cary, NC, US.

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12178586 Predictive QRS detection and R-to-R timing systems and methods Robert Smith, Nagarjuna Reddy Chinta, Ryan McCormick, Cranos M. Williams, Divyakumar Mahiman Badheka +3 more 2024-12-31
11285313 Predictive QRS detection and R-to-R timing systems and methods Robert Smith, Nagarjuna Reddy Chinta, Ryan McCormick, Cranos M. Williams, Divyakumar Mahiman Badheka +3 more 2022-03-29
10392102 Helicopter vibration control system and circular force generation systems for canceling vibrations Mark R. Jolly, Russell E. Alteri, Askari Badre-Alam, Douglas Swanson, Daniel Warren Mellinger, III +1 more 2019-08-27
9776712 Helicopter vibration control system and circular force generation systems for canceling vibrations Mark R. Jolly, Russell E. Altieri, Askari Badre-Alam, Doug A. Swanson, Daniel Warren Mellinger, III +1 more 2017-10-03
9073627 Helicopter vibration control system and circular force generation systems for canceling vibrations Mark R. Jolly, Andrew D. Meyers, Daniel Warren Mellinger, III, Askari Badre-Alam, Douglas Swanson +1 more 2015-07-07
8322497 Magneto-rheological dampers for semi-active suspension systems Robert H. Marjoram, Stephen Hildebrand, Gregory Ericksen, William J. McMahon, Kenneth A. St. Clair 2012-12-04
8313296 Helicopter vibration control system and rotary force generator for canceling vibrations Mark R. Jolly, Stephen Hildebrand, Russell E. Altieri, Matthew Ferguson 2012-11-20
8162606 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations Mark R. Jolly, Andrew D. Meyers, Daniel Warren Mellinger, III, Askari Badre-Alam, Douglas Swanson +1 more 2012-04-24
8033358 Noise controlled turbine engine with aircraft engine adaptive noise control tubes 2011-10-11
7942633 Helicopter vibration control system and rotary force generator for canceling vibrations Mark R. Jolly, Stephen Hildebrand, Russell E. Altieri, Matthew Ferguson 2011-05-17
7942248 Adjustable damping control with end stop Kenneth A. St. Clair, Kenneth R. Boone 2011-05-17
7448854 Helicopter vibration control system and rotary force generator for canceling vibrations Mark R. Jolly, Stephen Hildebrand, Russell E. Altieri, Matthew Ferguson 2008-11-11
6983833 Self-tuning vibration absorber system and method of absorbing varying frequency vehicle vibrations Robert W. Wilson 2006-01-10
6695294 Controlled equilibrium device with displacement dependent spring rates and integral damping Lane R. Miller, Douglas Swanson, Russell E. Alteri, Stephen Hildebrand, William S. Jensen +3 more 2004-02-24
6311110 Adaptive off-state control method Kenneth A. St. Clair 2001-10-30
6213442 Isolation system for isolation tables and the like Leslie P. Fowler, Russell E. Altieri, Stephen F. Buchner 2001-04-10
6158470 Two-way magnetorheological fluid valve assembly and devices utilizing same J. David Carlson, Mark R. Jolly, Michael J. Chrzan, Donald R. Prindle, Kenneth A. St. Clair 2000-12-12
6095486 Two-way magnetorheological fluid valve assembly and devices utilizing same J. David Carlson, Mark R. Jolly, Michael J. Chrzan, Donald R. Prindle, Kenneth A. St. Clair 2000-08-01
6009985 Efficient multi-directional active vibration absorber assembly 2000-01-04
6002778 Active structural control system and method including active vibration absorbers (AVAS) Dino J. Rossetti, Mark Norris, Michael C. Heath, Steve C. Southward 1999-12-14
5957440 Active fluid mounting Peter J. Jones, Kevin C. Cooney, Gerald P. Whiteford 1999-09-28
5947457 Fluid-filled active vibration absorber Douglas Swanson, Peter J. Jones, Kevin C. Cooney 1999-09-07
5906254 Active systems and devices including active vibration absorbers (AVAS) Warren E. Schmidt, Mark R. Jolly, Mark Norris 1999-05-25
5730429 Decouplers for active devices Lane R. Miller, Lynn Yanyo, Charles M. Nobles 1998-03-24
5570286 Regenerative system including an energy transformer which requires no external power source to drive same Donald L. Margolis, Mark R. Jolly, Warren Richard Schroeder, Michael C. Heath 1996-10-29