IK

Ian Kirk

DP Downhole Products Plc: 9 patents #1 of 7Top 15%
VL Vulcan Completion Products Uk Limited: 7 patents #1 of 3Top 35%
DL Downhole Products Limited: 3 patents #5 of 13Top 40%
VL Varel International Ind., L.L.C.: 1 patents #33 of 57Top 60%
Overall (All Time): #215,432 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12312877 Centraliser Andrew Kirk, Nathan Kirk 2025-05-27
12312878 Centraliser Andrew Kirk, Nathan Kirk 2025-05-27
11555357 Centraliser Andrew Kirk, Nathan Kirk 2023-01-17
11459834 Downhole apparatus and associated methods Nathan Kirk 2022-10-04
D957470 Centralizer for centralizing tubing in a wellbore Nathan Kirk 2022-07-12
D940207 Nose for a shoe suitable for use in an oil and gas wellbore Andrew Kirk, Nathan Kirk 2022-01-04
D930046 Centralizer for centralizing tubing in a wellbore Nathan Kirk 2021-09-07
9470047 Centraliser Andrew Kirk 2016-10-18
8561729 Casing bit and casing reamer designs William W. King, Michael R. Reese, Steven W. Drews 2013-10-22
D671960 Centraliser Andrew Kirk 2012-12-04
D662952 Centraliser Andrew Kirk 2012-07-03
7743829 Cement flow control tool William Barron, Alistair Bertram Clark 2010-06-29
7694733 Centralizer Alistair Bertram Clark, William Barron 2010-04-13
7096939 Slotted expandable centraliser William Barron, Alistair Bertram Clark 2006-08-29
6845816 ADI centralizer William Barron, Allstair Bertram Clark, Arron Rimmer, Barry N. Newton 2005-01-25
6830102 Centraliser William Barron, Alistair Bertram Clark 2004-12-14
6659173 Downhole tool William Barron, Alistair Clark 2003-12-09
6435275 Casing centralizer William Barron, Alistair Bertram Clark 2002-08-20
6401820 Downhole tool William Barron, Alistair Clark 2002-06-11
5860760 Gripping device 1999-01-19