Inventor

HAWKES RALPH O

US3 patents

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

PEREGRINE INTERNATIONAL ASSOCI

1 patent

US4913922AApr 3, 1990

Method for treatment of cooking oil

PEREGRINE INTERNATIONAL ASSOCI25 citations80

ENVIROTECH CORP

1 patent

US4152267AMay 1, 1979

Rotary disc vacuum filter

ENVIROTECH CORP15 citations71

HAWKES RALPH O

1 patent

US4614583ASep 30, 1986

Horizontal belt filter with incremental belt advance

HAWKES RALPH O5 citations52