Number | Name | Date | Kind |
---|---|---|---|
1141151 | Speller | Jun 1915 | |
1942518 | Protin | Jan 1934 | |
2407552 | Hoesel | Sep 1946 | |
2885225 | Rollins | May 1959 | |
3139293 | Franck | Jun 1964 | |
3233921 | Holmgren et al. | Feb 1966 | |
3287813 | Lennon et al. | Nov 1966 | |
3388752 | Hanes et al. | Jun 1968 | |
3395934 | Rosan et al. | Aug 1968 | |
3442536 | Fowler | May 1969 | |
3468563 | Duret | Sep 1969 | |
4074912 | Van Bilderbeek et al. | Feb 1978 | |
4094539 | Reimert | Jun 1978 | |
4124229 | Ahlstone | Nov 1978 | |
4127927 | Hauk et al. | Dec 1978 | |
4154466 | Simmons | May 1979 | |
4384737 | Reusser | May 1983 |
Number | Date | Country |
---|---|---|
460381 | May 1928 | DE2 |
806400 | Sep 1936 | FRX |
51682 | Mar 1943 | FRX |
1600610 | Oct 1981 | GBX |
Entry |
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"Machinery Handbook", 15th Edition, 3rd Printing, Copyright 1956, pp. 991-1003, 1008-1013, 1016, 1017, 1026, 1027, 1208, 1209, 1164 & 1165. |
"National Casing Tubing and Drill Pipe", published by United States Steel, Dec. 1964, pp. 19, 22 and 99. |