AC

Andrew Philip Churchill

CL Churchill Drilling Tools Limited: 16 patents #1 of 2Top 50%
Overall (All Time): #218,650 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12110766 Downhole cleaning tool and method Thilo RAHN, Scott A. Benzie, Ryan Low, Rafael Villa de Santana 2024-10-08
11802462 Downhole sealing 2023-10-31
11293264 Downhole apparatus and methods 2022-04-05
11187059 Downhole sealing 2021-11-30
10590737 Downhole sealing and actuation 2020-03-17
10544655 Method and apparatus for severing a drill string 2020-01-28
10458204 Downhole tool 2019-10-29
10267107 Downhole tool 2019-04-23
10088064 Drill string check valve 2018-10-02
9920583 Drill string check valve 2018-03-20
9828818 Downhole apparatus 2017-11-28
9593545 Downhole material delivery 2017-03-14
9453379 Downhole tool 2016-09-27
8915299 Apparatus for use in top filling of tubulars and associated methods 2014-12-23
8899335 Downhole tool 2014-12-02
7828060 Drifting tubing 2010-11-09
7472749 Drifting tubing 2009-01-06
6820697 Downhole bypass valve 2004-11-23
6378612 Pressure actuated downhole tool 2002-04-30
5639122 Apparatus for transporting skiing equipment 1997-06-17