Gevan R. Marrs

Person

Puyallup, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pulp chip fissure test device and method for estimating screened pu...
- Patent number 5,970,783
- Issue date Oct 26, 1999
- Weyerhaeuser Company
- Benjamin E. Levie
- G01 - MEASURING TESTING
Information Patent Grant
Bar screen with bars of staggered height
- Patent number 5,368,168
- Issue date Nov 29, 1994
- Weyerhaeuser Co.
- Gevan R. Marrs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Tension bar screen
- Patent number 5,284,251
- Issue date Feb 8, 1994
- Weyerhaeuser Co.
- Gevan R. Marrs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Rate control overflow system for disk screens
- Patent number 5,236,093
- Issue date Aug 17, 1993
- Weyerhaeuser Company
- Gevan R. Marrs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Bar screen having a reciprocating action
- Patent number 5,117,983
- Issue date Jun 2, 1992
- Weyerhaeuser Company
- Gevan R. Marrs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Apparatus and method for sizing wood chips
- Patent number 5,000,390
- Issue date Mar 19, 1991
- Weyerhaeuser Company
- Gevan Marrs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Sample splitter
- Patent number 4,672,856
- Issue date Jun 16, 1987
- Weyerhaeuser Company
- Gevan R. Marrs
- G01 - MEASURING TESTING
Information Patent Grant
Automatic particle-size analyzer
- Patent number 4,487,323
- Issue date Dec 11, 1984
- Weyerhaeuser Company
- Gevan R. Marrs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Gevan R. Marrs

Person

Patents Grantslast 30 patents

Pulp chip fissure test device and method for estimating screened pu...

Bar screen with bars of staggered height

Tension bar screen

Rate control overflow system for disk screens

Bar screen having a reciprocating action

Apparatus and method for sizing wood chips

Sample splitter

Automatic particle-size analyzer