Inventor
Peter S. Levesque
Inventor
Norwood, MA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F15Bprimary
F15BSystems acting by means of fluids in general31%
G05BControl or regulating systems in general25%
Y10TTechnical subjects covered by former us classification19%
B63BShips or other waterborne vessels6%
F16KValves6%
G01DMeasuring not specially adapted for a specific variable6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
PatentTitleYear
9,120,538'Flexible joint for solid carbon rigging'20158,196,595'Safety override circuit for pneumatic positioner and method of use thereof'20127,661,439'Safety override circuit for pneumatic positioner and method of use thereof'20107,493,195'Fluid regulation control'20097,480,487'Power regulation for field instruments'20096,745,084'Valve positioner system'20046,453,261'Valve positioner system'20026,272,401'Valve positioner system'20014,083,237'Differential reluctance motion detector'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to FISCHER & PORTER CO (1)· patent assignee history
1978Based in Jenkintown, PA, US· patent location history
2001Patents assigned to DRESSER IND (1)· patent assignee history
2001–2012Based in Norwood, MA, US· patent location history
2002–2012Patents assigned to DRESSER INC (6)· patent assignee history
2012Patents assigned to CHESTER MARK (1)· patent assignee history
2015Patents assigned to HALL SPARS INC (1)· patent assignee history
2015Based in Tiverton, RI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DRESSER INC | 6 | 2002–2012 |
| CHESTER MARK | 1 | 2012 |
| DRESSER IND | 1 | 2001 |
| FISCHER & PORTER CO | 1 | 1978 |
| HALL SPARS INC | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Norwood, Massachusetts, US | 7 | 2001–2012 |
| Tiverton, RI, US | 1 | 2015 |
| Jenkintown, Pennsylvania, US | 1 | 1978 |