John V. Felter

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tilt up concrete wall panel system
- Patent number 4,659,057
- Issue date Apr 21, 1987
- John V. Felter
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Earth station antenna assembled on site
- Patent number 4,528,569
- Issue date Jul 9, 1985
- John V. Felter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Louver structure
- Patent number 4,318,338
- Issue date Mar 9, 1982
- John V. Felter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Methods and apparatus for balancing ceiling fan blades to improve t...
- Patent number 4,305,292
- Issue date Dec 15, 1981
- John V. Felter
- G01 - MEASURING TESTING
Information Patent Grant
Attic fans and apparatus for supporting the drive motors of attic fans
- Patent number 4,242,055
- Issue date Dec 30, 1980
- John V. Felter
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fan with adjustable legs for improving building heating and cooling
- Patent number 4,239,459
- Issue date Dec 16, 1980
- John V. Felter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Solar heating system
- Patent number 4,178,912
- Issue date Dec 18, 1979
- John V. Felter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for installing insulation
- Patent number 4,177,618
- Issue date Dec 11, 1979
- John V. Felter
- E04 - BUILDING
Information Patent Grant
Combined chuck wrench and electric plug
- Patent number 4,145,102
- Issue date Mar 20, 1979
- Midcon Pipeline Equipment Co.
- John V. Felter
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Apparatus and methods for controlling fan operation
- Patent number 4,136,822
- Issue date Jan 30, 1979
- John V. Felter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Attic fans
- Patent number 4,108,580
- Issue date Aug 22, 1978
- John V. Felter
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbine ventilators and method of manufacture
- Patent number 4,086,028
- Issue date Apr 25, 1978
- John V. Felter
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Ventilators for mobile homes, and the like
- Patent number 4,051,770
- Issue date Oct 4, 1977
- John V. Felter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automatic damper
- Patent number 4,017,026
- Issue date Apr 12, 1977
- John V. Felter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Ventilator
- Patent number D243851
- Issue date Mar 29, 1977
- John V. Felter
- D23 - Environmental heating and cooling
Information Patent Grant
Box for mounting diffusers
- Patent number 3,985,158
- Issue date Oct 12, 1976
- John V. Felter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Louver fan assembly
- Patent number 3,977,311
- Issue date Aug 31, 1976
- John V. Felter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Fans for use with turbine ventilators, and methods and apparatus fo...
- Patent number 3,952,638
- Issue date Apr 27, 1976
- John V. Felter
- F24 - HEATING RANGES VENTILATING

John V. Felter

Person

Patents Grantslast 30 patents

Tilt up concrete wall panel system

Earth station antenna assembled on site

Louver structure

Methods and apparatus for balancing ceiling fan blades to improve t...

Attic fans and apparatus for supporting the drive motors of attic fans

Fan with adjustable legs for improving building heating and cooling

Solar heating system

Method and apparatus for installing insulation

Combined chuck wrench and electric plug

Apparatus and methods for controlling fan operation

Attic fans

Turbine ventilators and method of manufacture

Ventilators for mobile homes, and the like

Automatic damper

Ventilator

Box for mounting diffusers

Louver fan assembly

Fans for use with turbine ventilators, and methods and apparatus fo...