Edward N. Caldwell

Person

Knoxville, TN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tree staking system, parts therefor and methods of making the same
- Patent number 5,199,214
- Issue date Apr 6, 1993
- DALEN PRODUCTS, INC.
- Edward N. Caldwell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Mulch material and method of making the same
- Patent number 5,047,099
- Issue date Sep 10, 1991
- DALEN PRODUCTS, INC.
- Edward N. Caldwell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Mulch material and method of making the same
- Patent number 4,910,052
- Issue date Mar 20, 1990
- Dalen Products Inc.
- Edward N. Caldwell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Ventilating construction and method of making the same
- Patent number 4,809,592
- Issue date Mar 7, 1989
- DALEN PRODUCTS, INC.
- Edward N. Caldwell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Insect trap arrangement, kit therefor and method of making the same
- Patent number 4,557,069
- Issue date Dec 10, 1985
- DALEN PRODUCTS, INC.
- Edward N. Caldwell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Shelf mounting system, parts therefor and method of making the same
- Patent number 4,441,433
- Issue date Apr 10, 1984
- DALEN PRODUCTS, INC.
- Edward N. Caldwell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Shelf mounting system, parts therefor and method of making the same
- Patent number 4,319,531
- Issue date Mar 16, 1982
- DALEN PRODUCTS, INC.
- Edward N. Caldwell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Thermostatic ventilator actuator
- Patent number 4,155,504
- Issue date May 22, 1979
- Edward N. Caldwell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat exchange system and method and control device therefor having...
- Patent number 4,007,779
- Issue date Feb 15, 1977
- Robertshaw Controls Company
- Edward N. Caldwell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat exchange system and method and control device therefor
- Patent number 4,007,780
- Issue date Feb 15, 1977
- Robertshaw Controls Company
- Edward N. Caldwell
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Heat exchange system and method and control device therefor having...
- Patent number 4,007,775
- Issue date Feb 15, 1977
- Robertshaw Controls Company
- Edward N. Caldwell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat exchange system and method and control device therefor having...
- Patent number 4,007,778
- Issue date Feb 15, 1977
- Robertshaw Controls Company
- Edward N. Caldwell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Thermally responsive ventilated cold frame
- Patent number 4,005,547
- Issue date Feb 1, 1977
- Edward N. Caldwell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Valve construction and improved parts for the same or the like
- Patent number 3,979,129
- Issue date Sep 7, 1976
- Robertshaw Controls Company
- Edward N. Caldwell
- G05 - CONTROLLING REGULATING
Information Patent Grant
Heat exchange system and method and control device therefor having...
- Patent number 3,973,619
- Issue date Aug 10, 1976
- Robertshaw Controls Company
- Edward N. Caldwell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multiple low pressure selector relay and method of making the same
- Patent number 3,952,760
- Issue date Apr 27, 1976
- Robertshaw Controls Company
- Edward N. Caldwell
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve construction and system utilizing the same
- Patent number 3,949,777
- Issue date Apr 13, 1976
- Robertshaw Controls Company
- Edward N. Caldwell
- G05 - CONTROLLING REGULATING
Information Patent Grant
Valve construction and system utilizing the same
- Patent number 3,935,998
- Issue date Feb 3, 1976
- Robertshaw Controls Company
- Edward N. Caldwell
- G05 - CONTROLLING REGULATING
Information Patent Grant
Pneumatically operated pilot relay and system and diverting relay c...
- Patent number 3,934,613
- Issue date Jan 27, 1976
- Robertshaw Controls Company
- Edward N. Caldwell
- G05 - CONTROLLING REGULATING

Edward N. Caldwell

Person

Patents Grantslast 30 patents

Tree staking system, parts therefor and methods of making the same

Mulch material and method of making the same

Mulch material and method of making the same

Ventilating construction and method of making the same

Insect trap arrangement, kit therefor and method of making the same

Shelf mounting system, parts therefor and method of making the same

Shelf mounting system, parts therefor and method of making the same

Thermostatic ventilator actuator

Heat exchange system and method and control device therefor having...

Heat exchange system and method and control device therefor

Heat exchange system and method and control device therefor having...

Heat exchange system and method and control device therefor having...

Thermally responsive ventilated cold frame

Valve construction and improved parts for the same or the like

Heat exchange system and method and control device therefor having...

Multiple low pressure selector relay and method of making the same

Valve construction and system utilizing the same

Valve construction and system utilizing the same

Pneumatically operated pilot relay and system and diverting relay c...