Hans Engel

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Hanau, DT

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Patents Grantslast 30 patents

Information Patent Grant
Rotary valve
- Patent number 4,074,889
- Issue date Feb 21, 1978
- Honeywell G.m.b.H.
- Hans O. Engel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control valve with noise abating features
- Patent number 4,024,891
- Issue date May 24, 1977
- Honeywell Inc.
- Hans Engel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...