Jeffrey A. Hallsten

Person

Sacramento, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tank cover access hatch with safety barrier
- Patent number 10,329,812
- Issue date Jun 25, 2019
- Hallsten Corporation
- Jeffrey A. Hallsten
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Slide lock for hatch on gas containment cover
- Patent number 10,227,799
- Issue date Mar 12, 2019
- Hallsten Corporation
- Jeffrey A. Hallsten
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Trench spanning modules in a biofilter floor assembly
- Patent number 10,124,291
- Issue date Nov 13, 2018
- Hallsten Corporation
- Jeffrey A. Hallsten
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fencing floor
- Patent number 8,136,312
- Issue date Mar 20, 2012
- Hallsten Corporation
- Jeffrey A. Hallsten
- F21 - LIGHTING
Information Patent Grant
High strength modular support for biofiltration and composting
- Patent number 7,713,732
- Issue date May 11, 2010
- Hallsten Corporation
- Jeffrey A. Hallsten
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Biofilter or compost support assembly
- Patent number 7,422,895
- Issue date Sep 9, 2008
- Hallsten Corporation
- Jeffrey Hallsten
- F26 - DRYING
Information Patent Grant
Tank cover system with substantial gas seal
- Patent number 6,802,157
- Issue date Oct 12, 2004
- Hallsten Corporation
- Jeffrey A. Hallsten
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Modular support for biofiltration
- Patent number 6,255,102
- Issue date Jul 3, 2001
- Hallsten Corporation
- Jeffrey A. Hallsten
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Tank cover structure
- Patent number 6,151,835
- Issue date Nov 28, 2000
- Hallsten Corporation
- Jeffrey A. Hallsten
- E04 - BUILDING
Information Patent Grant
Tank cover structure
- Patent number 6,012,259
- Issue date Jan 11, 2000
- Hallsten Corporation
- Jeffrey A. Hallsten
- E04 - BUILDING
Information Patent Grant
Access panel on deck structure
- Patent number 5,941,027
- Issue date Aug 24, 1999
- Hallsten Corporation
- Jeffrey A. Hallsten
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Tank cover structure
- Patent number 5,911,662
- Issue date Jun 15, 1999
- Hallsten Corporation
- Jeffrey A. Hallsten
- E04 - BUILDING
Information Patent Grant
Dock structure
- Patent number 5,845,594
- Issue date Dec 8, 1998
- Hallsten Corporation
- John Hallsten
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Modular containment system for hazardous materials
- Patent number 5,689,920
- Issue date Nov 25, 1997
- Hallsten Corporation
- Jeffrey A. Hallsten
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tank or channel cover
- Patent number 5,617,677
- Issue date Apr 8, 1997
- Hallsten Corporation
- Jeffrey A. Hallsten
- E04 - BUILDING
Information Patent Grant
Tank cover structure with aeration distribution
- Patent number 5,545,358
- Issue date Aug 13, 1996
- Hallsten Corporation
- Jeffrey A. Hallsten
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Tank cover structure with odor exhaust system
- Patent number 5,526,620
- Issue date Jun 18, 1996
- Hallsten Corporation
- Jeffrey A. Hallsten
- B08 - CLEANING
Information Patent Grant
Modular containment system for hazardous materials
- Patent number 5,454,195
- Issue date Oct 3, 1995
- Hallsten Corporation
- Jeffrey A. Hallsten
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tank cover structure
- Patent number 5,325,646
- Issue date Jul 5, 1994
- Hallsten Supply Co.
- Jeffrey A. Hallsten
- E04 - BUILDING
Information Patent Grant
Extruded metal plank for an interlocking field-erectable deck or co...
- Patent number D345222
- Issue date Mar 15, 1994
- Hallsten Supply Co.
- Jeffrey A. Hallsten
- D25 - Building units and construction elements

Patents Applicationslast 30 patents

Information Patent Application
Fencing floor
- Publication number 20090020953
- Publication date Jan 22, 2009
- Jeffrey A. Hallsten
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Tank cover system with substantial gas seal
- Publication number 20020157323
- Publication date Oct 31, 2002
- Jeffrey A. Hallsten
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Jeffrey A. Hallsten

Person

Patents Grantslast 30 patents

Tank cover access hatch with safety barrier

Slide lock for hatch on gas containment cover

Trench spanning modules in a biofilter floor assembly

Fencing floor

High strength modular support for biofiltration and composting

Biofilter or compost support assembly

Tank cover system with substantial gas seal

Modular support for biofiltration

Tank cover structure

Tank cover structure

Access panel on deck structure

Tank cover structure

Dock structure

Modular containment system for hazardous materials

Tank or channel cover

Tank cover structure with aeration distribution

Tank cover structure with odor exhaust system

Modular containment system for hazardous materials

Tank cover structure

Extruded metal plank for an interlocking field-erectable deck or co...

Patents Applicationslast 30 patents

Fencing floor

Tank cover system with substantial gas seal