Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MP

Mark A. Preston — 20 Patents

GE: 17 patents #1,729 of 36,430Top 5%
IEInfinitum Electric: 2 patents #12 of 16Top 75%
RTX (Raytheon): 1 patents #8,290 of 15,912Top 55%
South Hadley, MA: #4 of 64 inventorsTop 7%
Massachusetts: #5,700 of 88,656 inventorsTop 7%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Mark A. Preston has been granted 20 US patents while listed as an inventor at GE. The first was granted in 1992 and the most recent in March 2022. Mark A. Preston ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Mark A. Preston in South Hadley, MA, US.

Patents per Year

Patents granted per year, 1992 to 2022Bar chart with a peak of 4 patents in 1996.peak 41992: 3 patents19921994: 3 patents1995: 1 patents19951996: 4 patents1997: 1 patents19971998: 1 patents1999: 2 patents19992000: 2 patents2002: 1 patents20022021: 1 patents2022: 1 patents2022

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11283319 Axial field rotary energy device with PCB stator having interleaved PCBS Jerad Park, Rich Lee, Paulo Guedes-Pinto 2022-03-22
11183896 Axial field rotary energy device having PCB stator and variable frequency drive Paulo Guedes-Pinto, Rich Lee, Jerad Park, Ben Schuler, Michael Gray 2021-11-23
6351680 Method for quality function deployment Mohamed Ahmed Ali, Bharat Sampathkumaran Bagepalli, Bijan Dorri, Thomas Ebben, Aniruddha Dattatraya Gadre +7 more 2002-02-26 $92,364,000
6029336 Method of fabricating a permanent magnet line start motor having magnets outside the starting cage Gerald Burt Kliman, Donald W. Jones 2000-02-29 $130,015,000
6012217 Method of fabrication of motor coil stator including bobbin wound coils Gerald Burt Kliman, Chester Stanley Jezierski, Jr., Donald W. Jones 2000-01-11 $370,714,000
5969451 Current-controlled magnetic thrust compensators for mechanical thrust bearings James P. Lyons, Eike Richter, Albert Frank Storace 1999-10-19 $215,691,000
5864217 Switched reluctance machine with toothed-wheel rotor sensor James P. Lyons 1999-01-26 $97,321,000
5705869 Magnetic axial thrust bearings fabricated on individual stator segments Gerald Burt Kliman 1998-01-06 $63,940,000
5659218 Motor stator including bobbin wound coils and method of fabrication Gerald Burt Kliman, Chester Stanley Jezierski, Jr., Donald W. Jones 1997-08-19 $53,331,000
5578880 Fault tolerant active magnetic bearing electric system James P. Lyons 1996-11-26 $25,672,000
5548172 Permanent magnet line start motor having magnets outside the starting cage Gerald Burt Kliman, Donald W. Jones 1996-08-20 $33,334,000
5525886 Low speed position estimator for switched reluctance machine using flux/current model James P. Lyons 1996-06-11 $28,411,000
5489844 Noise-cancelling quadrature magnetic position, speed and direction sensor Robert Dean King 1996-02-06 $25,909,000
5424595 Integrated magnetic bearing/switched reluctance machine James P. Lyons, Eike Richter, Kiyoung Chung 1995-06-13 $27,873,000
5300842 Flux/current air gap estimation method for active magnetic bearings James P. Lyons 1994-04-05 $10,794,000
5300843 Fault tolerant active magnetic bearing James P. Lyons, Gerald Burt Kliman 1994-04-05 $10,794,000
5300841 Inductive air gap estimation method for active magnetic bearings James P. Lyons 1994-04-05 $10,794,000
5149996 Magnetic gain adjustment for axially magnetized linear force motor with outwardly surfaced armature Frederick W. Stingle 1992-09-22 $7,003,000
5140243 Discrete position estimator for a switched reluctance machine using a flux-current map comparator James P. Lyons, Stephen R. MacMinn 1992-08-18 $10,305,000
5107195 Rotor position estimator for a switched reluctance machine using a lumped parameter flux/current model James P. Lyons, Stephen R. MacMinn 1992-04-21 $7,347,000