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Allan L. Smith
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Bala Cynwyd, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Mass and heat flow measurement sensor
Patent number
6,439,765
Issue date
Aug 27, 2002
Allan L. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for measurement of mass and heat flow changes
Patent number
6,370,939
Issue date
Apr 16, 2002
Allan L. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for simultaneous measurement of mass and heat...
Patent number
6,189,367
Issue date
Feb 20, 2001
Allan L. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Mass and heat flow measurement sensor for simultaneous measurements...
Patent number
6,190,035
Issue date
Feb 20, 2001
Allan L. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Mass and heat flow measurement sensor
Patent number
6,106,149
Issue date
Aug 22, 2000
Smith; Allan L.
Allan L. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Selectable spray pattern low volume sprinkler
Patent number
5,358,180
Issue date
Oct 25, 1994
Aquapore Moisture Systems, Inc.
Thomas N. Prassas
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Flow control apparatus
Patent number
5,295,506
Issue date
Mar 22, 1994
Allan L. Smith
G05 - CONTROLLING REGULATING
Information
Patent Grant
Connector apparatus and method for manufacturing an irrigation appa...
Patent number
4,948,293
Issue date
Aug 14, 1990
Allan L. Smith
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Sprinkler head
Patent number
D303138
Issue date
Aug 29, 1989
Allan L. Smith
D23 - Environmental heating and cooling
Information
Patent Grant
Sprinkler with transversely mounted splash plate
Patent number
4,391,410
Issue date
Jul 5, 1983
Allan L. Smith
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Trickle flow irrigation valve
Patent number
4,344,576
Issue date
Aug 17, 1982
Allan L. Smith
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
Mass and heat flow measurement sensor
Publication number
20010012312
Publication date
Aug 9, 2001
Allan L. Smith
G01 - MEASURING TESTING
Information
Patent Application
Apparatus and method for measurement of mass and heat flow changes
Publication number
20010008081
Publication date
Jul 19, 2001
Allan L. Smith
G01 - MEASURING TESTING