Search patents:
Folding portable gin pole
Folding portable gin pole
Filed: January 1st, 1970 [Granted]
Patent Number: US2557192
June l9, 1951 G, D, ESTER 2,557,192. FOLDING PORTABLE GIN POLE Filed Feb. '7, 1949 /4 Y INVENTOR. 49 GROVER 0. LE/STER 4o I BY Patented June F3, ...
Portable gin pole
Portable gin pole
Filed: January 1st, 1970 [Granted]
Patent Number: US2128712
PORTABLE GIN POLE 1 Filed Sept. 22, 1956 s Sheets-Sheet 4 1 2 x3 24 g0 22 29 I" 5 1W l I Z l 3 I j /5 r I l l l l 5 j l --I Li- Aug. 30, 1938. A. J. NEFF PORTABLE ...
Portable gin pole structure
Portable gin pole structure
Filed: January 1st, 1970 [Granted]
Patent Number: US1828973
1931- G. D. LEISTER PORTABLE GIN POLE STRUCTURE Filed May 1. 1929 IVIENTOR BY W W A TTORNE Y Patent d Oct. 27, 1931 ATENT OFFICE onovnnn .
Portable oil well mast with folding gin pole
Portable oil well mast with folding gin pole
Filed: January 1st, 1970 [Granted]
Patent Number: US2787344
April 2, 1957 H. J. WOOLSLAYER ETAL 2,787,344. PORTABLE OIL WELL MAST WITH FOLDING GIN POLE Filed Feb. 10, 1954 3 Sheets-Sheet 1 5 R k m K N ...
Oil-well utility gin pole
Oil-well utility gin pole
Filed: January 1st, 1970 [Granted]
Patent Number: US1632935
June 21, 1927 ,935 C. E. T U RNER ET AL OIL WELL UTILITY GIN POLE Filed ... The objects of our invention are as follows: First, to provide a'portable. gin pole.
Medical gin pole
Medical gin pole
Filed: January 1st, 1970 [Granted]
Patent Number: US5031605
A medical gin pole for use by patients in performing physical therapy has a collapsible construction to enable convenient portability. In an erected condition, the ...
Portable oil well derrick
Portable oil well derrick
Filed: January 1st, 1970 [Granted]
Patent Number: US2656023
3 is an enlarged fragmentary rear view of the upper portion of the gin pole and the ... A splice connection for a portable oil well derrick that has a gin pole and a ...
Oil well mast gin pole
Oil well mast gin pole
Filed: January 1st, 1970 [Granted]
Patent Number: US2780325
18s-16) This invention relates Ito the gin poles that are used in raising and supporting portable oil well masts, and more particularly to the way in which the gin ...