Lawrence J. Grubka

Person

Vicksburg, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Shuttle cutoff for applying granules to an asphalt coated sheet
- Patent number 6,228,422
- Issue date May 8, 2001
- Owens Corning Fiberglas Technology, Inc.
- James F. White
- E04 - BUILDING
Information Patent Grant
Shuttle cutoff for applying granules to an asphalt coated sheet
- Patent number 5,858,095
- Issue date Jan 12, 1999
- Owens Corning Fiberglas Technology, Inc.
- James F. White
- E04 - BUILDING
Information Patent Grant
Method of applying microorganism resistant granules to a continuous...
- Patent number 5,573,810
- Issue date Nov 12, 1996
- Owens-Corning Fiberglas Technology Inc.
- Lawrence J. Grubka
- E04 - BUILDING
Information Patent Grant
Method for applying granules to a moving coated asphalt sheet to fo...
- Patent number 5,405,647
- Issue date Apr 11, 1995
- Owens-Corning Fiberglass Technology Inc.
- Lawrence J. Grubka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method and apparatus for manufacturing a granule-covered roofing ma...
- Patent number 5,283,080
- Issue date Feb 1, 1994
- Owens-Corning Fiberglas Technology Inc.
- Glenn D. Lamb
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method and apparatus for forming glass fibers
- Patent number 4,673,428
- Issue date Jun 16, 1987
- Owens-Corning Fiberglas Corporation
- Neil E. Greene
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for forming glass fibers
- Patent number 4,664,688
- Issue date May 12, 1987
- Owens-Corning Fiberglas Corporation
- Lawrence J. Grubka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for forming glass fibers
- Patent number 4,488,891
- Issue date Dec 18, 1984
- Owens-Corning Fiberglas Corporation
- Lawrence J. Grubka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for producing and collecting glass fibers
- Patent number 4,478,625
- Issue date Oct 23, 1984
- Owens-Corning Fiberglas Corporation
- Lawrence J. Grubka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for production of mineral fibers
- Patent number 4,272,272
- Issue date Jun 9, 1981
- Owens-Corning Fiberglas Corporation
- Lawrence J. Grubka
- C03 - GLASS MINERAL OR SLAG WOOL

Lawrence J. Grubka

Person

Patents Grantslast 30 patents

Shuttle cutoff for applying granules to an asphalt coated sheet

Shuttle cutoff for applying granules to an asphalt coated sheet

Method of applying microorganism resistant granules to a continuous...

Method for applying granules to a moving coated asphalt sheet to fo...

Method and apparatus for manufacturing a granule-covered roofing ma...

Method and apparatus for forming glass fibers

Method and apparatus for forming glass fibers

Method for forming glass fibers

Apparatus for producing and collecting glass fibers

Method and apparatus for production of mineral fibers