Walter D. Haentjens

Person

Sugarloaf, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Vertical axis centilevered pump provided with a stabilizing by-pass...
- Patent number 5,141,390
- Issue date Aug 25, 1992
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Heat dissipating coupling for rotary shafts
- Patent number 5,051,071
- Issue date Sep 24, 1991
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal oxygenator for treatment of waste water and system
- Patent number 5,045,202
- Issue date Sep 3, 1991
- Donald M. Stearns
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Centrifugal pump having resistant components
- Patent number 4,913,619
- Issue date Apr 3, 1990
- Barrett Haentjens & Co.
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal oxygenator and method for treatment of waste water
- Patent number 4,877,532
- Issue date Oct 31, 1989
- Barrett, Haentjens & Company
- Walter D. Haentjens
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Remotely removable and replaceable motor for hazardous service pump...
- Patent number 4,854,828
- Issue date Aug 8, 1989
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Submersible mixing pump
- Patent number 4,747,757
- Issue date May 31, 1988
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Shaft mounted bearing lubricating device
- Patent number 4,700,808
- Issue date Oct 20, 1987
- Walter D. Haentjens
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Centrifugal pump for wide range of operating conditions
- Patent number 4,655,684
- Issue date Apr 7, 1987
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Volute slurry pump and throttle bushing therefor
- Patent number 4,224,008
- Issue date Sep 23, 1980
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Propulsion of slurry along a pipeline by ultrasonic sound waves
- Patent number 4,171,852
- Issue date Oct 23, 1979
- Walter D. Haentjens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Pump coupling
- Patent number 4,037,980
- Issue date Jul 26, 1977
- Walter D. Haentjens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sump and pump construction for conveying solids in the form of a sl...
- Patent number 3,966,262
- Issue date Jun 29, 1976
- Walter D. Haentjens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Walter D. Haentjens

Person

Patents Grantslast 30 patents

Vertical axis centilevered pump provided with a stabilizing by-pass...

Heat dissipating coupling for rotary shafts

Centrifugal oxygenator for treatment of waste water and system

Centrifugal pump having resistant components

Centrifugal oxygenator and method for treatment of waste water

Remotely removable and replaceable motor for hazardous service pump...

Submersible mixing pump

Shaft mounted bearing lubricating device

Centrifugal pump for wide range of operating conditions

Volute slurry pump and throttle bushing therefor

Propulsion of slurry along a pipeline by ultrasonic sound waves

Pump coupling

Sump and pump construction for conveying solids in the form of a sl...