Francis H. Tennis

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Oconomowoc, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Control valve with flow control means
- Patent number 4,178,962
- Issue date Dec 18, 1979
- Tomco, Inc.
- Francis H. Tennis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pressure compensated hydraulic control valve
- Patent number 4,036,245
- Issue date Jul 19, 1977
- Sundstrand Corporation
- Francis Henry Tennis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Source fluid supply and pressure control system for hydraulic motors
- Patent number 3,989,062
- Issue date Nov 2, 1976
- Hydraulic Industries, Inc.
- Francis H. Tennis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve mechanism for automatic control of a number of fluid motors
- Patent number 3,934,742
- Issue date Jan 27, 1976
- Hydraulic Industries, Inc.
- Francis H. Tennis
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING