Michael D. Herder

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Kalamazoo, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid control valve with variable pressure gain
- Patent number 4,843,949
- Issue date Jul 4, 1989
- Pneumo Abex Corporation
- Howard J. Lambers
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Fluid control valves with angled metering ports
- Patent number 4,646,786
- Issue date Mar 3, 1987
- Pneumo Corporation
- Michael D. Herder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...