Mark E. Wichmann

Follow

Person

Chicago, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Bypass valve
- Patent number 6,575,195
- Issue date Jun 10, 2003
- United States Filter Corporation
- Mark E. Wichmann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Center opening treatment tank
- Patent number 6,491,181
- Issue date Dec 10, 2002
- United States Filter Corporation
- Bradley S. Martin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Bypass valve
- Patent number 6,457,698
- Issue date Oct 1, 2002
- United States Filter Corporation
- Mark E. Wichmann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Center opening treatment tank
- Patent number 6,032,821
- Issue date Mar 7, 2000
- United States Filter Corporation
- Bradley S. Martin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Bypass valve
- Publication number 20030047221
- Publication date Mar 13, 2003
- United States Filter Corporation
- Mark E. Wichmann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Bypass valve
- Publication number 20010052367
- Publication date Dec 20, 2001
- United States Filter Corporation
- Mark E. Wichmann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...