Neal L. Keefer

Person

Portland, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Molded fuel tank and method of manufacturing the same
- Patent number 10,792,997
- Issue date Oct 6, 2020
- Bruce Bosch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Molded fuel tank and method of manufacturing the same
- Patent number 10,023,322
- Issue date Jul 17, 2018
- Neal Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Molded fuel tank and method of manufacturing the same
- Patent number 9,662,971
- Issue date May 30, 2017
- Neal Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Low mass draw and return tube assembly and process of manufacturing...
- Patent number 8,752,568
- Issue date Jun 17, 2014
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of closing a fuel tank with a pivotal door and seal
- Patent number 8,746,479
- Issue date Jun 10, 2014
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of installing an anti-siphon assembly
- Patent number 8,607,433
- Issue date Dec 17, 2013
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Anti-siphon installation assembly
- Patent number 8,376,169
- Issue date Feb 19, 2013
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fuel cap
- Patent number 8,261,517
- Issue date Sep 11, 2012
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Relief vent including float and seal
- Patent number 7,819,129
- Issue date Oct 26, 2010
- Neal L. Keefer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Thermal relief vent and method of manufacturing the same
- Patent number 7,568,493
- Issue date Aug 4, 2009
- Neal L. Keefer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Thermal relief vent and method of manufacturing the same
- Patent number 7,017,599
- Issue date Mar 28, 2006
- Neal L. Keefer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fuel cap
- Patent number D503667
- Issue date Apr 5, 2005
- Neal L. Keefer
- D12 - Transportation
Information Patent Grant
Draw and return tube assembly
- Patent number 6,273,123
- Issue date Aug 14, 2001
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Draw and return tube assembly and process of manufacturing the same
- Patent number 6,161,562
- Issue date Dec 19, 2000
- Neal L. Keefer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
MOLDED FUEL TANK AND METHOD OF MANUFACTURING THE SAME
- Publication number 20190184814
- Publication date Jun 20, 2019
- Bruce Bosch
- B60 - VEHICLES IN GENERAL
Information Patent Application
MOLDED FUEL TANK AND METHOD OF MANUFACTURING THE SAME
- Publication number 20130193150
- Publication date Aug 1, 2013
- Neal Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Application
MOLDED FUEL TANK AND METHOD OF MANUFACTURING THE SAME
- Publication number 20130180994
- Publication date Jul 18, 2013
- Neal Keefer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of installing an anti-siphon assembly
- Publication number 20120305093
- Publication date Dec 6, 2012
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Application
Fuel tank closure device
- Publication number 20100193513
- Publication date Aug 5, 2010
- MFB Investments, LLC.
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Application
Anti-Siphon installation assembly
- Publication number 20100193042
- Publication date Aug 5, 2010
- MFB Investments, LLC.
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Application
Quick connect port
- Publication number 20100117354
- Publication date May 13, 2010
- Neal Keefer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Fuel cap
- Publication number 20090223970
- Publication date Sep 10, 2009
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Application
Low mass draw and return tube assembly and process of manufacturing...
- Publication number 20070157454
- Publication date Jul 12, 2007
- Neal L. Keefer
- B60 - VEHICLES IN GENERAL
Information Patent Application
Thermal relief vent and method of manufacturing the same
- Publication number 20060112991
- Publication date Jun 1, 2006
- Neal L. Keefer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Relief vent including float and seal
- Publication number 20050067020
- Publication date Mar 31, 2005
- Neal L. Keefer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Thermal relief vent and method of manufacturing the same
- Publication number 20040159349
- Publication date Aug 19, 2004
- Neal L. Keefer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Neal L. Keefer

Person

Patents Grantslast 30 patents

Molded fuel tank and method of manufacturing the same

Molded fuel tank and method of manufacturing the same

Molded fuel tank and method of manufacturing the same

Low mass draw and return tube assembly and process of manufacturing...

Method of closing a fuel tank with a pivotal door and seal

Method of installing an anti-siphon assembly

Anti-siphon installation assembly

Fuel cap

Relief vent including float and seal

Thermal relief vent and method of manufacturing the same

Thermal relief vent and method of manufacturing the same

Fuel cap

Draw and return tube assembly

Draw and return tube assembly and process of manufacturing the same

Patents Applicationslast 30 patents

MOLDED FUEL TANK AND METHOD OF MANUFACTURING THE SAME

MOLDED FUEL TANK AND METHOD OF MANUFACTURING THE SAME

MOLDED FUEL TANK AND METHOD OF MANUFACTURING THE SAME

Method of installing an anti-siphon assembly

Fuel tank closure device

Anti-Siphon installation assembly

Quick connect port

Fuel cap

Low mass draw and return tube assembly and process of manufacturing...

Thermal relief vent and method of manufacturing the same

Relief vent including float and seal

Thermal relief vent and method of manufacturing the same