Title:
Well pipe expander
United States Patent 2627891


Inventors:
Clark, Paul B.
Application Number:
US19799850A
Publication Date:
02/10/1953
Filing Date:
11/28/1950
Assignee:
Clark, Paul B.
Primary Class:
Other Classes:
175/288, 175/334, 175/346
International Classes:
E21B29/10; E21B43/10
View Patent Images:
US Patent References:
2546756Tube expander1951-03-27
2237538Swedge1941-04-08
1880218Method of lining oil wells and means therefor1932-10-04
1312333N/A1919-08-05
1279130N/A1918-09-17
0816451N/A1906-03-27
0743146N/A1903-11-03
0212964N/A1879-03-04