Steve L. Hanvey

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Huntsville, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Pavement/surface sweeper having a simplified hydraulic system
- Patent number 7,441,303
- Issue date Oct 28, 2008
- Schwarze Industries, Inc.
- Jim E Adair
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Dump door open/close system
- Patent number 7,159,949
- Issue date Jan 9, 2007
- Schwarze Industries, Inc.
- Jim E. Adair
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SINGLE ENGINE SWEEPER SYSTEM WITH IMPROVED PUMP MOUNTING MECHANISM
- Publication number 20220316160
- Publication date Oct 6, 2022
- Roots Multiclean Inc.
- Ramasamy KRISHNASWAMY
- B60 - VEHICLES IN GENERAL
Information Patent Application
VACUUM HEAD FOR SWIMMING POOLS AND SIMILAR STRUCTURES
- Publication number 20070169289
- Publication date Jul 26, 2007
- Steven L. Hanvey
- E04 - BUILDING
Information Patent Application
Pavement/surface sweeper having a simplified hydraulic system
- Publication number 20070124892
- Publication date Jun 7, 2007
- Jim E. Adair
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES