Inventor

MEIDL JOHN A

US7 patents

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

ZIMPRO ENVIRONMENTAL INC

2 patents

US5302288AApr 12, 1994

Treatment of highly colored wastewaters

ZIMPRO ENVIRONMENTAL INC183 citations97

US5192442AMar 9, 1993

Multiple zone batch treatment process

ZIMPRO ENVIRONMENTAL INC139 citations93

STERLING DRUG INC

2 patents

US3977966AAug 31, 1976

Purification of non-biodegradable industrial wastewaters

STERLING DRUG INC69 citations94

US3932278AJan 13, 1976

Filter cleaning method

STERLING DRUG INC43 citations91

ZIMPRO PASSAVANT INC

1 patent

US4857198AAug 15, 1989

Process for treatment of water containing volatile and toxic compounds

ZIMPRO PASSAVANT INC52 citations91

SIEMENS WATER TECH CORP

1 patent

US7678268B2Mar 16, 2010

Wastewater treatment system

SIEMENS WATER TECH CORP19 citations88

ZIMPRO INC

1 patent

US4620563ANov 4, 1986

Blowdown pot for a reactor

ZIMPRO INC7 citations72