American Sigma, Inc.

Organization

Loveland, CO, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic transducer
- Patent number D457491
- Issue date May 21, 2002
- American Sigma, Inc.
- Donald Kaiser
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Fluid flow measurement correcting system and methods of constructin...
- Patent number 6,208,943
- Issue date Mar 27, 2001
- American Sigma, Inc.
- Gary L. Randolph
- G01 - MEASURING TESTING
Information Patent Grant
Fluid flow measurement correcting system, and methods of constructi...
- Patent number 5,691,914
- Issue date Nov 25, 1997
- American Sigma, Inc.
- Gary Randolph
- G01 - MEASURING TESTING
Information Patent Grant
Multi-function flow monitoring apparatus with area velocity sensor...
- Patent number 5,633,809
- Issue date May 27, 1997
- American Sigma, Inc.
- Richard Wissenbach
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Refrigerated fluid sampling apparatus and method with variable volu...
- Patent number 5,587,926
- Issue date Dec 24, 1996
- American Sigma, Inc.
- Francis Chiu
- G02 - OPTICS
Information Patent Grant
Multi-function flow monitoring apparatus with multiple flow sensor...
- Patent number 5,506,791
- Issue date Apr 9, 1996
- American Sigma, Inc.
- William G. Hungerford
- G02 - OPTICS
Information Patent Grant
Automatic fluid monitoring and sampling apparatus and method
- Patent number 5,299,141
- Issue date Mar 29, 1994
- American Sigma, Inc.
- William G. Hungerford
- G02 - OPTICS
Information Patent Grant
Fiber optic system and method
- Patent number 5,274,721
- Issue date Dec 28, 1993
- American Sigma, Inc.
- William D. Dickinson
- G02 - OPTICS
Information Patent Grant
Automatic fluid sampling and monitoring apparatus and method
- Patent number 5,172,332
- Issue date Dec 15, 1992
- American Sigma, Inc.
- William G. Hungerford
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Automatic fluid sampling and flow measuring apparatus and method
- Patent number 5,091,863
- Issue date Feb 25, 1992
- American Sigma, Inc.
- William G. Hungerford
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Self-cycling pump apparatus and method
- Patent number 5,027,902
- Issue date Jul 2, 1991
- American Sigma, Inc.
- William D. Dickinson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Convertible and variable-length groundwater devices, components the...
- Patent number 5,028,213
- Issue date Jul 2, 1991
- American Sigma, Inc.
- William D. Dickinson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Pump components for building pump, and methods of constructing and...
- Patent number 4,869,371
- Issue date Sep 26, 1989
- American Sigma, Inc.
- William D. Dickinson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Reciprocating bladder pump, and methods of constructing and utilizi...
- Patent number 4,749,337
- Issue date Jun 7, 1988
- American Sigma, Inc.
- W. David Dickinson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Two stage pump sampler
- Patent number 4,701,107
- Issue date Oct 20, 1987
- American Sigma, Inc.
- W. David Dickinson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sensor controlled sampling apparatus and method
- Patent number 4,660,607
- Issue date Apr 28, 1987
- American Sigma, Inc.
- Carl D. Griffith
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

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Trademarklast 30 trademarks

Information Trademark
75121407 - VISION
- Serial number 75121407
- Registration number 2052822
- Filing date Apr 5, 1996
- American Sigma, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74730444 - INSIGHT
- Serial number 74730444
- Registration number 2039966
- Filing date Sep 18, 1995
- American Sigma, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74730443 - ON SITE
- Serial number 74730443
- Filing date Sep 18, 1995
- American Sigma, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73704813 - STREAMLINE
- Serial number 73704813
- Registration number 1519615
- Filing date Jan 11, 1988
- AMERICAN SIGMA, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73670511 - STREAMLINE
- Serial number 73670511
- Registration number 1520603
- Filing date Jul 6, 1987
- AMERICAN SIGMA, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73608759 - GEOGUARD
- Serial number 73608759
- Registration number 1429098
- Filing date Jul 10, 1986
- AMERICAN SIGMA, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73608760 - GEOGUARD
- Serial number 73608760
- Registration number 1429099
- Filing date Jul 10, 1986
- AMERICAN SIGMA, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

American Sigma, Inc.

Organization

Patents Grantslast 30 patents

Ultrasonic transducer

Fluid flow measurement correcting system and methods of constructin...

Fluid flow measurement correcting system, and methods of constructi...

Multi-function flow monitoring apparatus with area velocity sensor...

Refrigerated fluid sampling apparatus and method with variable volu...

Multi-function flow monitoring apparatus with multiple flow sensor...

Automatic fluid monitoring and sampling apparatus and method

Fiber optic system and method

Automatic fluid sampling and monitoring apparatus and method

Automatic fluid sampling and flow measuring apparatus and method

Self-cycling pump apparatus and method

Convertible and variable-length groundwater devices, components the...

Pump components for building pump, and methods of constructing and...

Reciprocating bladder pump, and methods of constructing and utilizi...

Two stage pump sampler

Sensor controlled sampling apparatus and method

Trademarklast 30 trademarks

75121407 - VISION

74730444 - INSIGHT

74730443 - ON SITE

73704813 - STREAMLINE

73670511 - STREAMLINE

73608759 - GEOGUARD

73608760 - GEOGUARD