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Ryan Graham
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The Woodlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Drill bit inserts and drill bits including same
Patent number
11,965,382
Issue date
Apr 23, 2024
National-Oilwell Varco, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit cutter elements and drill bits including same
Patent number
11,788,361
Issue date
Oct 17, 2023
National-Oilwell Varco, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit cutter elements and drill bits including same
Patent number
11,598,153
Issue date
Mar 7, 2023
National-Oilwell Varco, L.P.
Ryan Basson Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit inserts and drill bits including same
Patent number
11,220,869
Issue date
Jan 11, 2022
National Oilwell DHT, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit cutter elements and drill bits including same
Patent number
11,208,849
Issue date
Dec 28, 2021
National Oilwell DHT, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Grant
Extrudate-producing ridged cutting element
Patent number
10,830,000
Issue date
Nov 10, 2020
National-Oilwell Varco, L.P.
Ryan Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit
Patent number
9,869,131
Issue date
Jan 16, 2018
Nov Downhole Eurasia Limited
Stephen Williams
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Drill Bit Inserts and Drill Bits Including Same
Publication number
20220081975
Publication date
Mar 17, 2022
National Oilwell DHT, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Bit Cutter Elements and Drill Bits Including Same
Publication number
20220074271
Publication date
Mar 10, 2022
National Oilwell DHT, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Bit Cutter Elements and Drill Bits Including Same
Publication number
20210172258
Publication date
Jun 10, 2021
National Oilwell DHT, L.P.
Ryan Basson Graham
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Bit Inserts and Drill Bits Including Same
Publication number
20210131189
Publication date
May 6, 2021
National Oilwell DHT, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Bit Cutter Elements and Drill Bits Including Same
Publication number
20210131190
Publication date
May 6, 2021
National Oilwell DHT, L.P.
Reza Rahmani
E21 - EARTH DRILLING MINING
Information
Patent Application
EXTRUDATE-PRODUCING RIDGED CUTTING ELEMENT
Publication number
20190330928
Publication date
Oct 31, 2019
National-Oilwell Varco, L.P.
Ryan GRAHAM
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Bit
Publication number
20150345228
Publication date
Dec 3, 2015
NOV DOWNHOLE EURASIA LIMITED
Stephen Williams
E21 - EARTH DRILLING MINING