Inventor
Charles F. Stearns
Inventor
East Longmeadow, MA, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Cprimary
F02CGas-turbine plants46%
Y10TTechnical subjects covered by former us classification18%
G05DSystems for controlling or regulating non-electric variables13%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%
B01DSeparation3%
B64CAeroplanes3%
F04DNon-positive-displacement pumps3%
F15BSystems acting by means of fluids in general3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
PatentTitleYear
6,511,292'Backup governing system for a variable pitch propeller'20035,299,920'Fixed geometry variable displacement pump system'19945,241,826'Fixed geometry variable displacement pump system'19934,898,324'Metering valve temperature compensation'19904,825,649'Shutoff and pressure regulating valve'19894,760,662'Hybrid fuel metering system'19884,751,942'Multi-function fuel metering valve'19884,715,397'Pressure regulator'19874,646,624'Differential pressure sensor'19874,440,192'Minimization of pressure drop variation in flow controllers'19844,422,287'Fuel control for gas turbine engines'19834,411,133'Fuel circuits for fuel controls'19834,359,929'Negative rate compensated hydraulic servo system'19824,326,376'Governorless gas turbine fuel control'19824,267,693'Hydromechanical fuel control with independent electromechanical interface'19814,145,876'Jet engine fuel flow transfer valve'19794,027,472'Fuel control'19774,003,836'Device for filtering a moving fluid'19773,999,375'Fuel control'19763,977,183'Adjusting mechanism and method for fuel control'19763,975,903'Fuel control'19763,972,641'Compressor bleed sensor and control for turbine type power plants'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to UNITED TECHNOLOGIES CORP (19)· patent assignee history
1976–2003Based in East Longmeadow, MA, US· patent location history
1993–1994Patents assigned to STEARNS CHARLES F (2)· patent assignee history
2003Patents assigned to HAMILTON SUNDSTRAND CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED TECHNOLOGIES CORP | 19 | 1976–1990 |
| STEARNS CHARLES Fself | 2 | 1993–1994 |
| HAMILTON SUNDSTRAND CORP | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| East Longmeadow, Massachusetts, US | 22 | 1976–2003 |