D. Franklin Howeth

Person

Fort Worth, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Rotary joint for pressurized fluids
- Patent number 5,607,189
- Issue date Mar 4, 1997
- D. Franklin Howeth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Structurally reinforced, self-aligning panel filter apparatus with...
- Patent number 4,961,762
- Issue date Oct 9, 1990
- D. Franklin Howeth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Multiple filter/cyclone air filtration apparatus with single, movab...
- Patent number 4,823,731
- Issue date Apr 25, 1989
- D. Franklin Howeth
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Hopper loading directly insertable horizontally mounted cylindrical...
- Patent number 4,802,983
- Issue date Feb 7, 1989
- D. Franklin Howeth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Structurally improved filter housing and mounting apparatus
- Patent number 4,775,398
- Issue date Oct 4, 1988
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Horizontally mounted cylindrical segmented bore pleated filter syst...
- Patent number 4,756,727
- Issue date Jul 12, 1988
- D. Franklin Howeth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Fluid coupling construction for non-pressure balanced fluid conduct...
- Patent number 4,749,192
- Issue date Jun 7, 1988
- D. Franklin Howeth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Air filter apparatus with modularized self-cleaning filter system
- Patent number 4,740,221
- Issue date Apr 26, 1988
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rotary broom sweeper hopper
- Patent number 4,708,723
- Issue date Nov 24, 1987
- D. Franklin Howeth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Backflushed air filters with quick opening multiple discharge valve
- Patent number 4,690,700
- Issue date Sep 1, 1987
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pressure dependent dust control filter compressed air reversed flus...
- Patent number 4,690,166
- Issue date Sep 1, 1987
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Top loading and inverted backflushed air filter systems
- Patent number 4,681,609
- Issue date Jul 21, 1987
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Shear blade cutting device with adjusting blade alignment compensator
- Patent number 4,679,604
- Issue date Jul 14, 1987
- D. Franklin Howeth
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Backflushed air filters
- Patent number 4,661,131
- Issue date Apr 28, 1987
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hopper loading directly insertable horizontally mounted cylindrical...
- Patent number 4,650,504
- Issue date Mar 17, 1987
- D. Franklin Howeth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Filter system for power sweeper
- Patent number 4,637,825
- Issue date Jan 20, 1987
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multiple jet backflushed air filter
- Patent number 4,544,389
- Issue date Oct 1, 1985
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air filter unit with multiple filter chambers and particulate mater...
- Patent number 4,521,232
- Issue date Jun 4, 1985
- D. Franklin Howeth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-cleaning air filter system
- Patent number 4,482,367
- Issue date Nov 13, 1984
- D. Franklin Howeth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Drill cuttings conveying apparatus with flexible duct for improved...
- Patent number 4,444,280
- Issue date Apr 24, 1984
- D. Franklin Howeth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill cuttings conveying head with wet cuttings diverter
- Patent number 4,440,243
- Issue date Apr 3, 1984
- D. Franklin Howeth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dust conveying and collecting system and method
- Patent number 4,434,861
- Issue date Mar 6, 1984
- D. Franklin Howeth
- E21 - EARTH DRILLING MINING

D. Franklin Howeth

Person

Patents Grantslast 30 patents

Rotary joint for pressurized fluids

Structurally reinforced, self-aligning panel filter apparatus with...

Multiple filter/cyclone air filtration apparatus with single, movab...

Hopper loading directly insertable horizontally mounted cylindrical...

Structurally improved filter housing and mounting apparatus

Horizontally mounted cylindrical segmented bore pleated filter syst...

Fluid coupling construction for non-pressure balanced fluid conduct...

Air filter apparatus with modularized self-cleaning filter system

Rotary broom sweeper hopper

Backflushed air filters with quick opening multiple discharge valve

Pressure dependent dust control filter compressed air reversed flus...

Top loading and inverted backflushed air filter systems

Shear blade cutting device with adjusting blade alignment compensator

Backflushed air filters

Hopper loading directly insertable horizontally mounted cylindrical...

Filter system for power sweeper

Multiple jet backflushed air filter

Air filter unit with multiple filter chambers and particulate mater...

Self-cleaning air filter system

Drill cuttings conveying apparatus with flexible duct for improved...

Drill cuttings conveying head with wet cuttings diverter

Dust conveying and collecting system and method