Essef Corporation

Organization

Mentor, OH, US

REFRIGERATION & SERVICE INDUSTRY MACHINERY
Business Address
220 PARK DRIVE CHARDON OH 44024 2162862200
Mailing Address
220 PARK DR 220 PARK DR CHARDON OH 44024
State Location
OH
State of Incorporation
OH

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Pressure vessel prestressing technique
- Patent number 7,090,736
- Issue date Aug 15, 2006
- Essef Corporation
- Edward T. LeBreton
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pressure vessel
- Patent number 7,017,771
- Issue date Mar 28, 2006
- Essef Corporation
- Kenneth R. Kothera
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Quick-release fitting assembly
- Patent number 6,932,391
- Issue date Aug 23, 2005
- Essef Corporation
- Edward T. Lebreton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Blow-molded pressure tank with spin-welded connector
- Patent number 6,793,095
- Issue date Sep 21, 2004
- Essef Corporation
- Michael Dulisse
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pressure vessel manufacture method
- Patent number 6,660,214
- Issue date Dec 9, 2003
- Essef Corporation
- Edward T. LeBreton
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for fabricating composite pressure vessels
- Patent number 6,565,793
- Issue date May 20, 2003
- Essef Corporation
- William B. Goldsworthy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for fabricating composite pressure vessels and products fabr...
- Patent number 6,485,668
- Issue date Nov 26, 2002
- Essef Corporation
- James C. Murphy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composite pressure vessel with heat exchanger
- Patent number 6,298,553
- Issue date Oct 9, 2001
- Essef Corporation
- James C. Hlebovy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for making thermoplastic composite pressure vessels
- Patent number 6,190,598
- Issue date Feb 20, 2001
- Essef Corporation
- James C. Murphy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for fabricating composite pressure vessels
- Patent number 6,171,423
- Issue date Jan 9, 2001
- Essef Corporation
- James C. Murphy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fitting installation process and apparatus for a molded plastic vessel
- Patent number 5,900,107
- Issue date May 4, 1999
- Essef Corporation
- James C. Murphy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Auxiliary flow path valve
- Patent number 5,878,773
- Issue date Mar 9, 1999
- Essef Corporation
- Ronald B. Robol
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Filament wound housing for a reverse osmosis filter cartridge
- Patent number 5,866,001
- Issue date Feb 2, 1999
- Essef Corporation
- James C. Hlebovy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Two piece composite inlet
- Patent number 5,819,978
- Issue date Oct 13, 1998
- Essef Corporation
- James C. Hlebovy
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Sealing technique for hydropneumatic pressure vessel
- Patent number 5,806,705
- Issue date Sep 15, 1998
- Essef Corporation
- Nicholas Herald
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Swimming pool main drain assembly
- Patent number 5,759,414
- Issue date Jun 2, 1998
- Essef Corporation
- Robert D. Wilkes
- E04 - BUILDING
Information Patent Grant
Grey water filter tank recovery system and filter backwashing system
- Patent number 5,759,387
- Issue date Jun 2, 1998
- Essef Corporation
- Robert D. Wilkes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Submerged lamp with self grounding sleeve
- Patent number 5,574,334
- Issue date Nov 12, 1996
- Essef Corporation
- Ronald B. Robol
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filament wound pressure vessel having a reinforced access opening
- Patent number 5,568,878
- Issue date Oct 29, 1996
- Essef Corporation
- Edward T. LeBreton
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fitting installation process
- Patent number 5,556,497
- Issue date Sep 17, 1996
- Essef Corporation
- James C. Murphy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Self grounding lamp for special use in an underwater environment
- Patent number 5,545,952
- Issue date Aug 13, 1996
- Essef Corporation
- Dana Mortensen
- F21 - LIGHTING
Information Patent Grant
Filament-wound isotensoid pressure vessels having geodesic domes
- Patent number 5,526,994
- Issue date Jun 18, 1996
- Essef Corporation
- James C. Murphy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hydropneumatic filament-wound pressure vessel
- Patent number 5,484,079
- Issue date Jan 16, 1996
- Essef Corporation
- Thomas G. Carter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Flanged diffuser and air cell retainer for pressure vessel
- Patent number 5,388,720
- Issue date Feb 14, 1995
- Essef Corporation
- James C. Murphy
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Hydropneumatic pressure vessel having an improved diaphragm assembly
- Patent number 5,368,073
- Issue date Nov 29, 1994
- Essef Corporation
- James C. Murphy
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and apparatus for forming rotationally cast tank liner havin...
- Patent number 5,356,589
- Issue date Oct 18, 1994
- Essef Corporation
- Charles Sugalski
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pressure switch adaptor for well system
- Patent number 5,320,495
- Issue date Jun 14, 1994
- Essef Corporation
- Darrel J. Ralph
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Air relief valve for a pressure vessel
- Patent number 5,308,386
- Issue date May 3, 1994
- Essef Corporation
- Robert D. Wilkes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pool drain assembly
- Patent number 5,268,096
- Issue date Dec 7, 1993
- Essef Corporation
- Ronald B. Robol
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Dynamic pressure relief seal for pressure vessels
- Patent number 5,121,852
- Issue date Jun 16, 1992
- Essef Corporation
- Robert D. Wilkes
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
76543585 - MINIMATE
- Serial number 76543585
- Filing date Sep 10, 2003
- ESSEF CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
75451716 - WELL MATE
- Serial number 75451716
- Registration number 2256901
- Filing date Mar 17, 1998
- ESSEF CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
75353161 - SAILOR
- Serial number 75353161
- Registration number 2205429
- Filing date Sep 8, 1997
- ESSEF CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75159681 - COMPTEC
- Serial number 75159681
- Filing date Sep 3, 1996
- ESSEF CORPORATION
- 20 - Furniture, mirrors, picture frames
Information Trademark
75086212 - DIAMONDBACK
- Serial number 75086212
- Registration number 2134948
- Filing date Apr 10, 1996
- ESSEF CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
75025947 - MINIMATE
- Serial number 75025947
- Registration number 2100101
- Filing date Nov 30, 1995
- ESSEF CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74714954 - "POLYTHERM"
- Serial number 74714954
- Filing date Aug 14, 1995
- ESSEF CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74603568 - TANKS ON DISK
- Serial number 74603568
- Filing date Nov 28, 1994
- ESSEF CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74356496 - BAJONET
- Serial number 74356496
- Registration number 1842331
- Filing date Feb 8, 1993
- ESSEF CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74142187 - ROMATE
- Serial number 74142187
- Registration number 1680233
- Filing date Feb 25, 1991
- ESSEF Corporation
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74103874 - POLY GLASS
- Serial number 74103874
- Registration number 1682973
- Filing date Oct 9, 1990
- ESSEF CORPORATION
- 20 - Furniture, mirrors, picture frames
Information Trademark
74088126 - DISCLEAN
- Serial number 74088126
- Registration number 1650073
- Filing date Aug 15, 1990
- ESSEF CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
73786619 - POLY-LABPACK
- Serial number 73786619
- Registration number 1567189
- Filing date Mar 14, 1989
- ESSEF CORPORATION
- 20 - Furniture, mirrors, picture frames

Essef Corporation

Organization

Business Address

Mailing Address

State Location

State of Incorporation

Patents Grantslast 30 patents

Pressure vessel prestressing technique

Pressure vessel

Quick-release fitting assembly

Blow-molded pressure tank with spin-welded connector

Pressure vessel manufacture method

Method for fabricating composite pressure vessels

Method for fabricating composite pressure vessels and products fabr...

Composite pressure vessel with heat exchanger

Method for making thermoplastic composite pressure vessels

Method for fabricating composite pressure vessels

Fitting installation process and apparatus for a molded plastic vessel

Auxiliary flow path valve

Filament wound housing for a reverse osmosis filter cartridge

Two piece composite inlet

Sealing technique for hydropneumatic pressure vessel

Swimming pool main drain assembly

Grey water filter tank recovery system and filter backwashing system

Submerged lamp with self grounding sleeve

Filament wound pressure vessel having a reinforced access opening

Fitting installation process

Self grounding lamp for special use in an underwater environment

Filament-wound isotensoid pressure vessels having geodesic domes

Hydropneumatic filament-wound pressure vessel

Flanged diffuser and air cell retainer for pressure vessel

Hydropneumatic pressure vessel having an improved diaphragm assembly

Method and apparatus for forming rotationally cast tank liner havin...

Pressure switch adaptor for well system

Air relief valve for a pressure vessel

Pool drain assembly

Dynamic pressure relief seal for pressure vessels

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

76543585 - MINIMATE

75451716 - WELL MATE

75353161 - SAILOR

75159681 - COMPTEC

75086212 - DIAMONDBACK

75025947 - MINIMATE

74714954 - "POLYTHERM"

74603568 - TANKS ON DISK

74356496 - BAJONET

74142187 - ROMATE

74103874 - POLY GLASS

74088126 - DISCLEAN

73786619 - POLY-LABPACK