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AGL Corporation Patents
Assignee:
AGL Corporation
Address:
Jacksonville, AR
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
D252950 Lightweight trench box September 18, 1979
4402213 Method and device for detecting and locating leaks in pipelines September 6, 1983
A device for locating leaks in a pipe includes a leak locator probe (139) that is suitable for being transported along a length of pipe. The leak locator probe (139) includes a tube (148) that is closed at one end and open at the other end. An aperture (126) provides an air flow passagew
4375763 Device for detecting and locating leaks in pipelines March 8, 1983
A device and method for locating leaks in a pipe are provided. A leak locator probe (10) is provided and is suitable for being transported along a length of pipe. The leak locator probe (10) defines an annular volume (24) within that portion of pipe adjacent the leak locator probe (10).
4247809 Electrical levelling system for laser beam January 27, 1981
A laser generating tube and associated optical system is mounted on a laser support which is mounted to pivot relative to a cradle about a first axis. The cradle is mounted to pivot about a second axis (transverse to the first) relative to a frame. First and second levelling motors contr
4119382 Self-leveling construction alignment laser October 10, 1978
The specification discloses an improved system for projecting and utilizing a light beam as a reference line for construction purposes. The system includes a light beam projection device mounted in a housing. A light path compensator is positioned within the housing and intercepts the be
4053238 Self-leveling construction alignment laser October 11, 1977
The specification discloses an improved system for projecting and utilizing a light beam as a reference line for construction purposes. The system includes a light beam projection device mounted in a housing. A light path compensator is positioned within the housing and intercepts the be
4043679 Self-leveling construction alignment laser August 23, 1977
The specification discloses an improved system for projecting and utilizing a light beam as a reference line for construction purposes. The system includes a light beam projection device mounted in a housing. A light path compensator is positioned within the housing and intercepts the be

 
 
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