TM

Trevor MacDougall

WE Weatherford/Lamb: 25 patents #14 of 852Top 2%
3M: 13 patents #1,195 of 11,543Top 15%
LU Lumeda: 7 patents #1 of 4Top 25%
CI Cidra: 6 patents #21 of 63Top 35%
QO Qorex: 6 patents #1 of 2Top 50%
PE Petrospec Engineering: 1 patents #4 of 6Top 70%
WH Weatherford Technology Holdings: 1 patents #412 of 753Top 55%
📍 Simsbury, CT: #1 of 374 inventorsTop 1%
🗺 Connecticut: #297 of 34,797 inventorsTop 1%
Overall (All Time): #35,641 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 51–63 of 63 patents

Patent #TitleCo-InventorsDate
6601411 Method for annealing an optical waveguide having a bragg grating to accelerate ageing Martin A. Putnam, Mark R. Fernald 2003-08-05
6529671 Passively compensated optical fibers 2003-03-04
5999668 Ceramic fiber optic current sensor Edward Hernandez 1999-12-07
5935292 Annealing mold and retainer for making a fiber optic current sensor Edward Hernandez, John A. Valenti, Jay W. Dawson, Leonard Johnson 1999-08-10
5780847 Verdet constant temperature-compensated current sensor Jay W. Dawson 1998-07-14
5736737 Concatenated magneto-optic field sensors Jay W. Dawson 1998-04-07
5729005 Fiber optic current sensor with bend birefringence compensation Jay W. Dawson, Leonard Johnson 1998-03-17
5645622 Method of annealing a fiber within a coiled tube to thereby make a fiber coil for a Faraday-effect current-sensor Bryon J. Cronk, Ted F. Hutchinson, Dale R. Lutz, James Onstott 1997-07-08
5570449 Holder for annealing fiber optic coils Ted F. Hutchinson, Dale R. Lutz, James Onstott 1996-10-29
5553173 Faraday-effect sensing coil with stable birefringence and method of making same Dale R. Lutz, William L. Taylor, Wayne F. Varner, Robert A. Wandmacher 1996-09-03
5492552 Holder for annealing fiber optic coils Bryon J. Cronk, Dale R. Lutz 1996-02-20
5463312 Faraday-effect sensing coil with stable birefringence Dale R. Lutz, William L. Taylor, Wayne F. Varner, Robert A. Wandmacher 1995-10-31
5221308 Low loss infrared transmitting hollow core optical fiber method of manufacture David A. Krohn, Paul E. Sanders, Mokhtar S. Maklad 1993-06-22