P

Inventor

STEWART PATRICK H

US13 patents
⚠️ This page may combine multiple inventors who share the name “STEWART PATRICK H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

C L IND INC

5 patents
US4176114ANov 27, 1979

Process for manufacturing sand cores or molds

C L IND INC24 citations81
US4215012AJul 29, 1980

Catalyst for increasing the tensile strength and core hardness of a sand mold or core

C L IND INC8 citations69
US4220578ASep 2, 1980

Method, resin and catalyst for increasing the tensile strength and core hardness of a sand mold or core

C L IND INC3 citations58
US4106545AAug 15, 1978

Method of automatic mold and core forming

C L IND INC3 citations55
US4037645AJul 26, 1977

Automatic mold and core forming machine

C L IND INC0 citations34

CL IND INC

3 patents
US4396526AAug 2, 1983

Organic hydroperoxide catalyst system

CL IND INC9 citations72
US4287092ASep 1, 1981

Acid catalysis of resin foundry binders

CL IND INC8 citations72
US4448234AMay 15, 1984

Method for forming sand cores and molds

CL IND INC1 citations51

ENVIROX L L C

2 patents
US6316399B1Nov 13, 2001

Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same

ENVIROX L L C58 citations92
USRE36982EDec 5, 2000

Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same

ENVIROX L L C12 citations69

ALPHEN INC

1 patent
US5602090AFeb 11, 1997

Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same

ALPHEN INC67 citations91

STEWART FILMSCREEN CORP

1 patent
US7710646B2May 4, 2010

Anti-bulging projection screen structure

STEWART FILMSCREEN CORP20 citations85

CORE LUBE INC

1 patent
US4028271AJun 7, 1977

Binding resin for foundry sand and catalyst therefor

CORE LUBE INC13 citations62