Bruce A. Pierson

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Roller shaft mounting for sound and motion control
- Patent number 5,875,878
- Issue date Mar 2, 1999
- HK Systems, Inc.
- Bruce A. Pierson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Roller shaft mounting for sound and motion control
- Patent number 5,678,676
- Issue date Oct 21, 1997
- HK Systems, Inc.
- Bruce A. Pierson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sliding conduit connector for screening machine
- Patent number 5,259,511
- Issue date Nov 9, 1993
- Rotex, Inc.
- Bruce A. Pierson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Top cover clamp for screening machine
- Patent number 5,186,333
- Issue date Feb 16, 1993
- Rotex, Inc.
- Bruce A. Pierson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Ball cage insert and cage support for screening machine
- Patent number 5,165,550
- Issue date Nov 24, 1992
- Rotex, Inc.
- Bruce A. Pierson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Retractable, air pressure actuated hold-down clamp
- Patent number 5,150,796
- Issue date Sep 29, 1992
- Rotex, Inc.
- Bruce A. Pierson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING