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Patent applications and USPTO patent grants for Richardson; Alan S..The latest application filed is for "direct modular top drive with pipe handler module and methods".
Patent | Date |
---|---|
Direct modular top drive with pipe handler module and methods Grant 8,839,884 - Kuttel , et al. September 23, 2 | 2014-09-23 |
Direct Modular Top Drive With Pipe Handler Module And Methods App 20130299247 - KUTTEL; Beat ;   et al. | 2013-11-14 |
Modular top drive lubrication system and methods Grant 8,499,858 - Kuttel , et al. August 6, 2 | 2013-08-06 |
Modular Top Drive Lubrication System And Methods App 20120160570 - KUTTEL; Beat ;   et al. | 2012-06-28 |
Modular top drive lubrication system and methods Grant 8,151,909 - Kuttel , et al. April 10, 2 | 2012-04-10 |
Modular Top Drive Lubrication System And Methods App 20110073375 - KUTTEL; Beat ;   et al. | 2011-03-31 |
Modular top drive Grant 7,828,085 - Kuttel , et al. November 9, 2 | 2010-11-09 |
Modular Top Drive App 20070140801 - Kuttel; Beat ;   et al. | 2007-06-21 |
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