Calvin Mathis resumes & CV records
Resumes
Calvin Mathis
Validation Engineer
Work:
Validation Engineer
Calvin F Mathis Deceased17509 Graystone Ave, Cerritos, CA 90703
Calvin Mathis Phones & Addresses
17509 Graystone Ave, Cerritos, CA 90703 562-8654401
Artesia, CA
Garland, TX
Zion, IL
17509 Graystone Ave, Cerritos, CA 90703 562-9652793
Work
Company:
Cherrytree productions
Address:
10755 Artesia Blvd Ste G, Artesia, CA 90703
Phones:
562-8656116
Position:
President
Industries:
Platemaking and Related Services
Education
Degree:
High school graduate or higher
Emails
Mentions for Calvin F Mathis
Validation Engineer
Publications & IP owners
Us Patents
Obstruction Sensing System For A Gate
US Patent:
6209262, Apr 3, 2001
Filed:
Jan 27, 2000
Appl. No.:
9/492370
Inventors:
Calvin F. Mathis - Cerritos CA
International Classification:
E05F 1502
US Classification:
49 28
Abstract:
A sensing system for a gate to protect persons and equipment from impact damage by actuating a gate operating system when the end of the gate comes in contact with an obstruction. The force required to actuate the device varies between 3 and 5 pounds. Once the force is applied to the edge of the gate, the gate opening or closing operation will either stop or reverse depending on the specific safety requirements of the gate installation. The force can be applied to any available direction and the system will be activated.
Secure Swing Gate System That Provides Free Access When Power Is Off
US Patent:
5771636, Jun 30, 1998
Filed:
Apr 10, 1996
Appl. No.:
8/632350
Inventors:
Calvin Franklin Mathis - Cerritos CA
International Classification:
E05F 1504
US Classification:
49139
Abstract:
A swing gate providing free access when the electrical power that drives a hydraulic system to open and close the gate is off is described. The hydraulic system comprises a reversible electrical motor to drive a hydraulic pump which in turn provides hydraulic fluid under pressure to a double acting hydraulic actuator. An electrical actuated solenoid valve is located in a bypass line of the hydraulic system and the solenoid valve is designed to open when the electrical power is off which allows the hydraulic fluid to drain from one side of the actuator into a reservoir. Since one side of the double acting actuator contains no fluid under pressure, the swing gate can be opened by hand.
Public records
Vehicle Records
Calvin Mathis
Address:
3412 7 St, Sachse, TX 75048
Phone:
972-6790885
VIN:
1C6RD6NT2CS110193
Make:
RAM
Model:
RAM PICKUP 1500
Year:
2012
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