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Crofton, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ultrasonic edge detector and control system
Patent number
5,565,627
Issue date
Oct 15, 1996
Xecutek Corporation
John A. Dorr
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Ultrasonic gas flow measurement method and apparatus
Patent number
5,526,699
Issue date
Jun 18, 1996
Xecutek Corporation
John A. Dorr
G01 - MEASURING TESTING
Information
Patent Grant
Strip measuring and centering system
Patent number
5,488,867
Issue date
Feb 6, 1996
Xecutek Corporation
John A. Dorr
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Capacitance-type ultrasonic transducer
Patent number
5,442,595
Issue date
Aug 15, 1995
Xecutek Corporation
John A. Dorr
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic gas flow measurement method and apparatus
Patent number
5,277,070
Issue date
Jan 11, 1994
Xecutek Corporation
John A. Dorr
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic control system for cut-off or shearing machines
Patent number
5,031,493
Issue date
Jul 16, 1991
Xecutek Corporation
John A. Dorr
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ultrasonic measuring system
Patent number
4,944,186
Issue date
Jul 31, 1990
Xecutek Corporation
John A. Dorr
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic apparatus for measuring the speed of sound in a gaseous...
Patent number
4,938,066
Issue date
Jul 3, 1990
Xecutek Corporation
John A. Dorr
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic measuring device and method
Patent number
4,914,641
Issue date
Apr 3, 1990
Xecutek Corporation
John A. Dorr
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic sensor system
Patent number
4,815,046
Issue date
Mar 21, 1989
Xecutek Corporation
John A. Dorr
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Ultrasonic sensor system
Patent number
4,779,240
Issue date
Oct 18, 1988
Xecutek Corporation
John A. Dorr
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Soundwave position digitizer
Patent number
4,772,764
Issue date
Sep 20, 1988
Xecutek Corporation
John A. Dorr
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ultrasonic transducer
Patent number
4,735,096
Issue date
Apr 5, 1988
Xecutek Corporation
John A. Dorr
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Ultrasonic apparatus for determining the amount of liquid in a cont...
Patent number
4,715,226
Issue date
Dec 29, 1987
Xecutek Corporation
John A. Dorr
G01 - MEASURING TESTING
Information
Patent Grant
Efficient low cost transducer system
Patent number
4,530,077
Issue date
Jul 16, 1985
Xecutek Corporation
John A. Dorr
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Restaurant management information and control method and apparatus
Patent number
4,530,067
Issue date
Jul 16, 1985
Xecutek Corporation
John A. Dorr
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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