Cypress, Texas
United States
20
2013-07-04
The entities that hold a legal rights for patent applications filed by inventor Davis John P.:
John P. Davis from Cypress, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Milling Tool
#2 | 2012-08-02Disconnect devices for downhole strings
#3 | 2012-06-28Surface signal for flow blockage for a subterranean debris collection apparatus
#4 | 2012-06-21One trip multiple string section milling of subterranean tubulars
#5 | 2011-10-20Anchor system and method for anchoring a tool with a positional bias
#6 | 2011-08-04Cleaning Device
#7 | 2011-07-14Cleaning Device
#8 | 2011-03-03Debris catcher with retention within screen
#9 | 2010-07-22Milled packer retaining tool with reverse circulation
#10 | 2009-11-19Downhole material retention apparatus
#11 | 2009-08-13Downhole debris catcher and associated mill
#12 | 2009-08-13Downhole debris catcher and associated mill
#13 | 2009-02-05Eductor jet bushing for downhole use
#14 | 2008-01-31Wear indication apparatus and method
#15 | 2007-11-29Well cleanup tool with real time condition feedback to the surface
#16 | 2007-01-02Method and apparatus for one trip tubular expansion
#17 | 2006-09-05Downhole ball dropping apparatus
#18 | 2006-05-11Wear indication apparatus and method
#19 | 2006-01-19Coiled tubing conveyed milling
#20 | 2005-05-31Method of screen or pipe expansion downhole without addition of pipe at the surface
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