Inventor
Robert Jett Field
Inventor
Fincastle, VA, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines23%
F16CShafts17%
H01JElectric discharge tubes or discharge lamps17%
A63GMerry-go-rounds6%
G01DMeasuring not specially adapted for a specific variable6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A61BDiagnosis3%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing3%
E04HBuildings or like structures for particular purposes3%
G01SRadio direction-finding3%
PatentTitleYear
10,704,599Balanced switching amplifier for a magnetic bearing assembly20209,583,991'Systems, devices, and/or methods for managing magnetic bearings'20178,987,959'Split magnetic thrust bearing'20158,698,367'High-speed permanent magnet motor and generator with low-loss metal rotor'20148,330,311'Magnetic thrust bearing with integrated electronics'20127,687,948'Magnetic bearing'20107,629,715'Systems, devices and methods for driving machinery'20097,471,022'Magnetic bearing'20087,300,354'Inflatable slide or bouncer'20077,250,704'High temperature electrical coil'20077,250,734'High performance switched reluctance machine'20077,235,986'Capacitive position sensing system with resonant amplification'20077,108,608'Inflatable bouncer'20067,005,864'Capacitive position sensing system with resonant amplification'20066,650,246'Method and apparatus for improving the safety of inflatable attractions and other inflatable devices'20035,354,694'Method of making highly doped surface layer for negative electron affinity devices'19945,349,177'Image intensifier tube having a solid state electron amplifier'19945,315,126'Highly doped surface layer for negative electron affinity devices'19945,266,425'Self-aligned process for applying color filters to electronic output color image intensifiers'19935,241,170'Fiber optic imaging device and methods'19935,233,183'Color image intensifier device and method for producing same'19935,229,600'Exposure-compensation device for reciprocating-filter time-modulated color image intensifier'19935,168,528'Differential electronic imaging system'19925,162,647'Color image intensifier device utilizing color input and output filters being offset by a slight phase lag'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1994Patents assigned to ITT (9)· patent assignee history
1992–2020Based in Fincastle, VA, US· patent location history
2003–2007Based in Lakeville, MN, US· patent location history
2006–2020Patents assigned to SYNCHRONY INC (7)· patent assignee history
2007–2017Patents assigned to FIELD ROBERT JETT (7)· patent assignee history
2007–2017Patents assigned to IANNELLO VICTOR (7)· patent assignee history
2012–2017Patents assigned to SORTORE CHRISTOPHER (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ITT | 9 | 1992–1994 |
| FIELD ROBERT JETTself | 7 | 2007–2017 |
| IANNELLO VICTOR | 7 | 2007–2017 |
| SYNCHRONY INC | 7 | 2006–2020 |
| SORTORE CHRISTOPHER | 4 | 2012–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fincastle, Virginia, US | 21 | 1992–2020 |
| Lakeville, Minnesota, US | 3 | 2003–2007 |