Robert F. Estes

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Foxboro, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Non-flowing modulating pilot operated relief valve
- Patent number 4,586,533
- Issue date May 6, 1986
- Crosby Valve & Gage Company
- Robert F. Estes
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Transducer assembly providing position output proportional to elect...
- Patent number 4,329,910
- Issue date May 18, 1982
- The Foxboro Company
- Everett O. Olsen
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Transducer assembly providing pneumatic output proportional to elec...
- Patent number 4,213,478
- Issue date Jul 22, 1980
- The Foxboro Company
- Everett O. Olsen
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL