Hilbert F.P. Drews

Person

Greendale, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Post pressurizing material treatment for bodies moving through fluid
- Patent number 7,644,977
- Issue date Jan 12, 2010
- Hilbert F. P. Drews
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Post pressurizing material treatment for bodies moving through fluid
- Patent number 7,357,442
- Issue date Apr 15, 2008
- Hilbert F. P. Drews
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Dynamic surface element for bodies moving through a fluid
- Patent number 7,111,570
- Issue date Sep 26, 2006
- Hilbert F. P. Drews
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Post pressurizing material treatment for bodies moving through fluid
- Patent number 7,059,662
- Issue date Jun 13, 2006
- Hilbert F. P. Drews
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Surface modification apparatus and method for decreasing the drag o...
- Patent number 5,988,568
- Issue date Nov 23, 1999
- Hilbert F. P. Drews
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Driven craft having surface means for increasing propulsion efficie...
- Patent number 4,284,302
- Issue date Aug 18, 1981
- Hilbert F. P. Drews
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Propelled apparatus having surface means for developing increased p...
- Patent number 4,180,290
- Issue date Dec 25, 1979
- Hilbert F. P. Drews
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Vehicle air screen apparatus
- Patent number 3,972,494
- Issue date Aug 3, 1976
- Hilbert F. P. Drews
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
Post Pressurizing Material Treatment for Bodies Moving Through Fluid
- Publication number 20080054678
- Publication date Mar 6, 2008
- Hilbert F.P. Drews
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Surface construction for bodies moving through a fluid
- Publication number 20020000497
- Publication date Jan 3, 2002
- Hilbert F.P. Drews
- B68 - SADDLERY UPHOLSTERY

Hilbert F.P. Drews

Person

Patents Grantslast 30 patents

Post pressurizing material treatment for bodies moving through fluid

Post pressurizing material treatment for bodies moving through fluid

Dynamic surface element for bodies moving through a fluid

Post pressurizing material treatment for bodies moving through fluid

Surface modification apparatus and method for decreasing the drag o...

Driven craft having surface means for increasing propulsion efficie...

Propelled apparatus having surface means for developing increased p...

Vehicle air screen apparatus

Patents Applicationslast 30 patents

Post Pressurizing Material Treatment for Bodies Moving Through Fluid

Surface construction for bodies moving through a fluid