Inventor

SPEARS RODGER I

US4 patents

⚠️ This page may combine multiple inventors who share the name “SPEARS RODGER I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ADVANCED PRODUCTS LAB INC

2 patents

US7077799B2Jul 18, 2006

Apparatus and method for a high-efficiency self-cleaning centrifuge having concentrate cylinders

ADVANCED PRODUCTS LAB INC14 citations76

US7901343B2Mar 8, 2011

Methods and apparatus for centrifuging dry solids

ADVANCED PRODUCTS LAB INC0 citations34

DONALDSON CO INC

1 patent

US7967886B2Jun 28, 2011

Z-filter media pack arrangement; and, methods

DONALDSON CO INC147 citations98

SCHRAGE KEVIN J

1 patent

US8241383B2Aug 14, 2012

Z-filter media pack arrangement; and, methods

SCHRAGE KEVIN J96 citations96