David M. Kawano

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Lansdale, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hose used to install loose fill insulation
- Patent number 6,719,864
- Issue date Apr 13, 2004
- CertainTeed Corporation
- Maurice James Kelley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Loose-fill insulation dispensing apparatus including spiked conduit...
- Patent number 6,648,022
- Issue date Nov 18, 2003
- CertainTeed Corporation
- Edward Pentz
- E04 - BUILDING
Information Patent Grant
Hose used to install loose fill insulation
- Patent number 6,206,050
- Issue date Mar 27, 2001
- CertainTeed Corporation
- Maurice James Kelley
- E04 - BUILDING
Information Patent Grant
Apparatus for increasing the density of blown insulation materials
- Patent number 6,082,639
- Issue date Jul 4, 2000
- CertainTeed Corporation
- Edward Pentz
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

Information Patent Application
Loose-fill insulation dispensing apparatus including spiked conduit...
- Publication number 20030057142
- Publication date Mar 27, 2003
- Edward Pentz
- E04 - BUILDING
Information Patent Application
Hose used to install loose fill insulation
- Publication number 20010010235
- Publication date Aug 2, 2001
- CertainTeed Corporation
- Maurice James Kelley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...