Randy R. Koivisto

Person

Fort Smith, AR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for controlling an electronic expansion valve...
- Patent number 10,190,806
- Issue date Jan 29, 2019
- Rheem Manufacturing Company
- Kelvin W. Kleman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and methods for controlling an electronic expansion valve...
- Patent number 9,874,380
- Issue date Jan 23, 2018
- Rheem Manufacturing Company
- Kelvin W. Kleman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Electronic water level sensing apparatus and associated methods
- Patent number 9,677,785
- Issue date Jun 13, 2017
- Rheem Manufacturing Company
- Robert S. Neihouse
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Heat pump water heater and associated control system
- Patent number 8,385,729
- Issue date Feb 26, 2013
- Rheem Manufacturing Company
- Kelvin W. Kleman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Touchpad
- Patent number D607418
- Issue date Jan 5, 2010
- Rheem Manufacturing Company
- Kelvin W. Kleman
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Methods for Controlling an Electronic Expansion Valve...
- Publication number 20180128526
- Publication date May 10, 2018
- RHEEM MANUFACTURING COMPANY
- Kelvin W. Kleman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
APPARATUS AND METHODS FOR CONTROLLING AN ELECTRONIC EXPANSION VALVE...
- Publication number 20130340452
- Publication date Dec 26, 2013
- RHEEM MANUFACTURING COMPANY
- Kelvin W. Kleman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Electronic Water Level Sensing Apparatus and Associated Methods
- Publication number 20130174830
- Publication date Jul 11, 2013
- RHEEM MANUFACTURING COMPANY
- Robert S. Neihouse
- G01 - MEASURING TESTING
Information Patent Application
HEAT PUMP WATER HEATER AND ASSOCIATED CONTROL SYSTEM
- Publication number 20110058795
- Publication date Mar 10, 2011
- RHEEM MANUFACTURING COMPANY
- Kelvin W. KLEMAN
- F24 - HEATING RANGES VENTILATING
Information Patent Application
AUTOMATED CONDENSING UNIT TEST APPARATUS
- Publication number 20070137224
- Publication date Jun 21, 2007
- RHEEM MANUFACTURING COMPANY
- Anthony E. Atchison
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Low power control system and associated methods for a water heater...
- Publication number 20060275720
- Publication date Dec 7, 2006
- Bruce A. Hotton
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Automated condensing unit test apparatus and associated methods
- Publication number 20060026973
- Publication date Feb 9, 2006
- Anthony E. Atchison
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Randy R. Koivisto

Person

Patents Grantslast 30 patents

Apparatus and methods for controlling an electronic expansion valve...

Apparatus and methods for controlling an electronic expansion valve...

Electronic water level sensing apparatus and associated methods

Heat pump water heater and associated control system

Touchpad

Patents Applicationslast 30 patents

Apparatus and Methods for Controlling an Electronic Expansion Valve...

APPARATUS AND METHODS FOR CONTROLLING AN ELECTRONIC EXPANSION VALVE...

Electronic Water Level Sensing Apparatus and Associated Methods

HEAT PUMP WATER HEATER AND ASSOCIATED CONTROL SYSTEM

AUTOMATED CONDENSING UNIT TEST APPARATUS

Low power control system and associated methods for a water heater...

Automated condensing unit test apparatus and associated methods