John Herbert North

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Norwich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Air/particle separator
- Patent number 6,936,095
- Issue date Aug 30, 2005
- John Herbert North
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Dust/particle collecting arrangement for cyclone separators
- Patent number 6,818,033
- Issue date Nov 16, 2004
- John Herbert North
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Separation apparatus
- Publication number 20060162299
- Publication date Jul 27, 2006
- John Herbert North
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
Air/particle separator
- Publication number 20050194295
- Publication date Sep 8, 2005
- John Herbert North
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Particle separation apparatus
- Publication number 20050081496
- Publication date Apr 21, 2005
- John Herbert North
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Air/particle separator
- Publication number 20040103785
- Publication date Jun 3, 2004
- John Herbert North
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Dust/particle collecting arrangement for cyclone separators
- Publication number 20030159412
- Publication date Aug 28, 2003
- John Herbert North
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL