Charles H. Berry

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Cedar Falls, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dial-type flow-restriction gauges
- Patent number 7,562,579
- Issue date Jul 21, 2009
- Engineered Products Company
- H. Dianne Hammerand
- G01 - MEASURING TESTING
Information Patent Grant
Air filter restriction indicator gauge
- Patent number 6,327,902
- Issue date Dec 11, 2001
- Engineered Products Company
- Charles Henry Berry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air filter restriction indicating device
- Patent number 5,850,183
- Issue date Dec 15, 1998
- Engineered Products Co.
- Charles Henry Berry
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Gauge for monitoring air filters
- Patent number 5,774,056
- Issue date Jun 30, 1998
- Engineered Products Co.
- Charles Henry Berry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
DIAL-TYPE FLOW-RESTRICTION GAUGES
- Publication number 20090199645
- Publication date Aug 13, 2009
- Engineered Products Company
- H. Dianne Hammerand
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DIFFERENTIAL PRESSURE SENSOR FOR FILTER MONITORING
- Publication number 20080148807
- Publication date Jun 26, 2008
- Engineered Products Company
- Charles H. Berry
- G01 - MEASURING TESTING
Information Patent Application
DIAL-TYPE FLOW-RESTRICTION GAUGES
- Publication number 20080072687
- Publication date Mar 27, 2008
- Engineered Products Company
- H. Dianne Hammerand
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Non-locking switch for filter monitoring
- Publication number 20060225993
- Publication date Oct 12, 2006
- Joseph P. Heuthorst
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Fluid flow restriction indicator
- Publication number 20060163127
- Publication date Jul 27, 2006
- Engineered Products Co.
- Charles Henry Berry
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AIR FILTER RESTRICTION INDICATOR GAUGE
- Publication number 20010049963
- Publication date Dec 13, 2001
- CHARLES HENRY BERRY
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL