Merkle Engineers, Inc.

Organization

Galena, IL, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Refractory brick and refractory construction
- Patent number 7,040,241
- Issue date May 9, 2006
- Merkle Engineers, Inc.
- Stephen Coates
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
High temperature industrial furnace roof structure
- Patent number 6,427,610
- Issue date Aug 6, 2002
- Merkle Engineers, Inc.
- Stephen Coates
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
In-barrel wetting screw charger
- Patent number 6,349,570
- Issue date Feb 26, 2002
- Merkle Engineers, Inc.
- Stephen Coates
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Industrial furnace roof assembly and components thereof
- Patent number 5,899,151
- Issue date May 4, 1999
- Merkle Engineers, Inc.
- Frank P. Merkle
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Cullet feeder
- Patent number 5,558,691
- Issue date Sep 24, 1996
- Merkle Engineers, Inc.
- Larry L. Horn
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Modular solids charger
- Patent number 5,542,804
- Issue date Aug 6, 1996
- Merkle Engineers, Inc.
- Frank P. Merkle
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
High temperature industrial furnace roof structure
- Patent number 5,357,540
- Issue date Oct 18, 1994
- Merkle Engineers Inc.
- Frank P. Merkle
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
In situ replaceable pusher bar for a batch charger pan
- Patent number 5,238,347
- Issue date Aug 24, 1993
- Merkle Engineers, Inc.
- Barry James
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Solids charger
- Patent number 5,158,412
- Issue date Oct 27, 1992
- Merkle Engineers, Inc.
- Frank P. Merkle
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Self-positioning refractory structure
- Patent number 4,960,058
- Issue date Oct 2, 1990
- Merkle Engineers, Inc.
- William R. Materna
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Curved nose refractory construction
- Patent number 4,864,945
- Issue date Sep 12, 1989
- Merkle Engineers, Inc.
- Frank P. Merkle
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Refractory brick protection for membrane boiler walls
- Patent number 4,809,621
- Issue date Mar 7, 1989
- Merkle Engineers, Inc.
- William R. Materna
- F22 - STEAM GENERATION
Information Patent Grant
Refractory shield removable toe
- Patent number 4,754,716
- Issue date Jul 5, 1988
- Merkle Engineers, Inc.
- Stephen J. Coates
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Insulated refractory shield
- Patent number 4,705,475
- Issue date Nov 10, 1987
- Merkle Engineers, Inc.
- Stephen J. Coates
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Refractory curtain wall
- Patent number 4,638,617
- Issue date Jan 27, 1987
- Merkle Engineers, Inc.
- Barry R. James
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Suspended roof construction for industrial furnaces
- Patent number 4,475,470
- Issue date Oct 9, 1984
- Merkle Engineers, Inc.
- Frank P. Merkle
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
High temperature furnace nose construction
- Patent number 4,463,689
- Issue date Aug 7, 1984
- Merkle Engineers, Inc.
- Barry R. James
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Suspended roof construction for industrial furnaces
- Patent number 4,424,756
- Issue date Jan 10, 1984
- Merkle Engineers, Inc.
- Frank P. Merkle
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74366387 - SOLUTIONS AS CLEAR AS GLASS
- Serial number 74366387
- Registration number 1801887
- Filing date Mar 9, 1993
- Merkle Engineers, Inc.
- 7 - Machines and machine tools
Information Trademark
73735808 - MERKLE
- Serial number 73735808
- Registration number 1550738
- Filing date Jun 22, 1988
- Merkle Engineers, Inc.
- 7 - Machines and machine tools
Information Trademark
73277555 - ROTO PANEL
- Serial number 73277555
- Registration number 1178161
- Filing date Sep 11, 1980
- Merkle Engineers, Inc.
- 19 - Building materials (non-metallic)

Merkle Engineers, Inc.

Organization

Patents Grantslast 30 patents

Refractory brick and refractory construction

High temperature industrial furnace roof structure

In-barrel wetting screw charger

Industrial furnace roof assembly and components thereof

Cullet feeder

Modular solids charger

High temperature industrial furnace roof structure

In situ replaceable pusher bar for a batch charger pan

Solids charger

Self-positioning refractory structure

Curved nose refractory construction

Refractory brick protection for membrane boiler walls

Refractory shield removable toe

Insulated refractory shield

Refractory curtain wall

Suspended roof construction for industrial furnaces

High temperature furnace nose construction

Suspended roof construction for industrial furnaces

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

74366387 - SOLUTIONS AS CLEAR AS GLASS

73735808 - MERKLE

73277555 - ROTO PANEL