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Assignee: Crain Enterprises, Inc.


Location: Mound City, IL
No. of patents: 18

NumberTitleIssue Date
7500843Mold system kit
A mold kit and mold which provides for renewal of damaged or worn molds. The mold kit employs spacers to make up for subtractive reconditioning of the mold. A method for renewing the mold is also disclosed. ...
03/10/2009
7497677Mold having modular submold
A mold can be receive mold inserts or submolds for customized configuration of the mold. In addition, the submolds can be specially configured for use. The same submold can be changed for a different use. Also, the submold can be reconfigured for use after the submo...
03/03/2009
D585646Carrying bag for a survey rod
02/03/2009
D579803Level for a survey rod
11/04/2008
7441981Coupler for a mount system
A coupler comprises a male component and a female component including an interior chamber for receiving the male component. A catch extends into the interior chamber for cooperating with the male component to axially secure the male component with respect to the fem...
10/28/2008
D579360Elongated level vial support for a pole
10/28/2008
D572998Star shaped knob
07/15/2008
7374140Geomatic pole support with telescoping legs and locks
A leg for use in supporting geometric equipment includes a first leg section and a second leg section for telescoping receiving the first leg section. A locking device includes an actuator and an engagement portion. The locking device is operable in a lock position ...
05/20/2008
7240881Geomatic support having hinged legs with hinge lock
A support capable of supporting geomatic equipment has hinged legs which allow the legs to pivot about a horizontal axis to selected positions. A hinge lock associated with each of the legs allows the leg to be locked in the selected angular position. Locking of the...
07/10/2007
7241405Method of renewing a mold block
A mold kit and mold which provides for renewal of damaged or worn molds. The mold kit employs spacers to make up for subtractive reconditioning of the mold. A method for renewing the mold is also disclosed. ...
07/10/2007
7222827Telescoping leg lock with thumb actuator
A telescoping leg particularly adapted for use in supporting geomatic equipment is capable of locking in different selected positions of extension. A lock is provided for holding the leg at the selected position of extension. The lock is biased to a lock position, b...
05/29/2007
7207534Geomatic pole support and foot therefor
A support for geomatic equipment such as a geomatic pole has feet which facilitate stability of the pole. The feet are constructed to resist forces applied along legs of the support to which they are connected in both directions, including forces which tend to lift ...
04/24/2007
7204685Modular mold
A mold of the present invention is capable of modular configuration and reconfiguration for producing molded objects. Many of the same mold components are reusable in the mold to increase the flexibility of the mold and reduce expense associated with molding. ...
04/17/2007
7124985Geomatic pole support with telescoping legs and locks
A support particularly adapted for supporting a geomatic pole has telescoping legs, each having telescoping leg sections which can be locked by a locking device in a selected position of extension, fixing the length of the leg. The locking device is easily actuated ...
10/24/2006
7048241Geomatic support having hinged legs with hinge lock
A support capable of supporting geomatic equipment has hinged legs which allow the legs to pivot about a horizontal axis to selected positions. A hinge lock associated with each of the legs allows the leg to be locked in the selected angular position. Locking of the...
05/23/2006
D510699Multiple function geomatics pole support device
10/18/2005
6772526Surveying pole
A light weight surveying pole which is of robust and highly accurate construction. A lock for fixing telescoping sections of the pole provides fixed positioning without high initial clamping forces. An air cushion system inhibits damaging the pole sections when they...
08/10/2004
6711826Pole section for surveying equipment
A light weight surveying pole which is of robust and highly accurate construction. The pole may include two or more pole sections which may be screwed together to make a longer pole. Fittings for use in screw-together pole sections are constructed to permit location...
03/30/2004
 
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