David L. McCutchen

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Sand Springs, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Ambient air backflushed filter vacuum
- Patent number 9,596,970
- Issue date Mar 21, 2017
- Christy, Inc.
- David L. McCutchen
- G05 - CONTROLLING REGULATING
Information Patent Grant
Vacuum cleaner receptacle
- Patent number 8,677,557
- Issue date Mar 25, 2014
- Christy, Inc.
- David L. McCutchen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Ambient air backflushed filter vacuum
- Patent number 8,312,894
- Issue date Nov 20, 2012
- David L. McCutchen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Diamond polishing pad caddy
- Patent number 8,272,509
- Issue date Sep 25, 2012
- David L. McCutchen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Diamond polishing pad caddy
- Patent number 8,091,705
- Issue date Jan 10, 2012
- David L. McCutchen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Ambient air backflushed filter vacuum
- Patent number 7,082,640
- Issue date Aug 1, 2006
- Christy, Inc.
- David L. McCutchen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Ambient Air Backflushed Filter Vacuum
- Publication number 20170188770
- Publication date Jul 6, 2017
- Christy, Inc.
- David L. McCutchen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Ambient Air Backflushed Filter Vacuum
- Publication number 20140230931
- Publication date Aug 21, 2014
- Christy, Inc.
- David L. McCutchen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Ambient Air Backflushed Filter Vacuum
- Publication number 20130263405
- Publication date Oct 10, 2013
- Christy, Inc.
- David L. McCutchen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Ambient Air Backflushed Filter Vacuum
- Publication number 20120056119
- Publication date Mar 8, 2012
- David L. McCutchen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Ambient air backflushed filter vacuum
- Publication number 20060260093
- Publication date Nov 23, 2006
- Christy, Inc.
- David L. McCutchen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Ambient air backflushed filter vacuum
- Publication number 20050011036
- Publication date Jan 20, 2005
- Christy, Inc.
- David L. McCutchen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL