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on 02 May 2023
Downhole Products Limited
97212941 · 11 Jan 2022
02 May 2029
006
Integrated wet shoe for assembly as part of oil/gas well casing or lin...
on 08 Mar 2022
Varel International Ind., LLC
90245397 · 09 Oct 2020
08 Mar 2028
007
SLIP EXTREME,drilling bits for oil and gas completion work, specifical...
on 09 Aug 2021
Varel International Ind., L.P.
76713207 · 14 Jan 2013
10 Mar 2025
007
Oil and gas drill bits for rock drilling, more specifically, diamond d...
on 06 Jul 2021
Varel International Ind., LLC
90368870 · 09 Dec 2020
06 Jul 2027
007
Drill bits for rock drilling,Drill bits for rock drilling
on 26 Jan 2021
Downhole Products Limited
88191351 · 13 Nov 2018
26 Jan 2027
006
Cable protectors made of metal for use in the oil and gas industry, na...
on 24 Nov 2020
Downhole Products Limited
88595550 · 28 Aug 2019
24 Nov 2026
006
Wellbore centralizers and centralizer stop collars for use in oil and ...
on 03 Jul 2020
Varel International Ind., LLC
76695270 · 12 Jan 2009
27 May 2030
007
Oil and gas power drilling bits for earth boring drilling equipment,Oi...
on 19 May 2020
Downhole Products Limited
88597282 · 29 Aug 2019
19 May 2026
006
Casing accessories and components for use in oil and gas exploration, ...
on 14 Apr 2020
Varel International IND., LLC
87607707 · 14 Sep 2017
14 Apr 2026
007
polycrystalline diamond drill bits and cutters for earth boring drilli...
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