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Ronald T. Hahn
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Yorba Linda, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Auto stop fluid valve
Patent number
10,100,933
Issue date
Oct 16, 2018
Acom Engineering Company
Brandon Bridgeford
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Bottle filler
Patent number
D718971
Issue date
Dec 9, 2014
Acorn Engineering Company
David Young
D07 - Equipment for preparing or serving food or drink not elsewhere specified
Information
Patent Grant
Dual sensor liquid accumulator
Patent number
6,684,902
Issue date
Feb 3, 2004
AcornVac, Inc.
Thomas K. Zinn
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Extractor valve assembly
Patent number
6,394,411
Issue date
May 28, 2002
AcornVac, Inc.
V. Walter Hafner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Activator valve for providing a timed vacuum at an output port
Patent number
6,311,718
Issue date
Nov 6, 2001
Acorn Engineering Co.
V. Walter Hafner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sprayhead with built-in soap system for multi person washfountains
Patent number
4,698,860
Issue date
Oct 13, 1987
Acorn Engineering Company
V. Walter Hafner
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Vandal resistant and tamper proof pneumatic push button assembly fo...
Patent number
4,682,533
Issue date
Jul 28, 1987
Acorn Engineering Company
V. Walter Hafner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sealed dashpot mechanism for delayed closing plumbing valves
Patent number
4,659,059
Issue date
Apr 21, 1987
Acorn Engineering Company
Earl L. Morris
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Dual operated metering valve connected to both a hand operated push...
Patent number
4,630,644
Issue date
Dec 23, 1986
Acorn Engineering Company
V. Walter Hafner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Rotating cap, screen and mounting means for protecting air metering...
Patent number
4,630,638
Issue date
Dec 23, 1986
Acorn Engineering Company
V. Walter Hafner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Security mirror replaceable from pipe chase
Patent number
4,492,430
Issue date
Jan 8, 1985
Acorn Engineering Company
Earl L. Morris
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Vandal-resistant push button electrical switch assembly
Patent number
4,480,163
Issue date
Oct 30, 1984
Acorn Engineering Company
Earl L. Morris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vandal-resistant light fixture
Patent number
4,453,202
Issue date
Jun 5, 1984
Acorn Engineering Company
Earl L. Morris
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
Auto stop fluid valve
Publication number
20140001279
Publication date
Jan 2, 2014
Acorn Engineering Company
Brandon Bridgeford
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
EXTRACTOR VALVE ASSEMBLY
Publication number
20020070366
Publication date
Jun 13, 2002
V. Walter Hafner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...