Duane Shotwell

Person

Conroe, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Reamer with cutting inserts for use in drilling operations
- Patent number 11,549,312
- Issue date Jan 10, 2023
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Trimodal reamer for use in drilling operations
- Patent number 11,230,889
- Issue date Jan 25, 2022
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reamer cutting insert for use in drilling operations
- Patent number 11,125,018
- Issue date Sep 21, 2021
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roller reamer with mechanical face seal
- Patent number 10,947,786
- Issue date Mar 16, 2021
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roller reamer with labyrinth seal assembly
- Patent number 10,837,237
- Issue date Nov 17, 2020
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roller reamer integral pressure relief assembly
- Patent number 10,718,165
- Issue date Jul 21, 2020
- Duane Shotwell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Reamer for use in drilling operations
- Patent number 10,704,331
- Issue date Jul 7, 2020
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reamer cutting insert for use in drilling operations
- Patent number 10,502,000
- Issue date Dec 10, 2019
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reamer for use in drilling operations
- Patent number 10,066,440
- Issue date Sep 4, 2018
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reamer for use in drilling operations
- Patent number 10,000,973
- Issue date Jun 19, 2018
- Duane Shotwell
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EARTH-BORING DRILL BIT WITH CHISEL CUTTER
- Publication number 20210270089
- Publication date Sep 2, 2021
- Chengdu Diamond Bit Co., LTD
- DUANE SHOTWELL
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer Cutting Insert for Use in Drilling Operations
- Publication number 20200256130
- Publication date Aug 13, 2020
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer with Cutting Inserts for Use in Drilling Operations
- Publication number 20200256131
- Publication date Aug 13, 2020
- Chengdu Best Diamomd Bit Co., Ltd
- DUANE SHOTWELL
- E21 - EARTH DRILLING MINING
Information Patent Application
Trimodal Reamer for Use in Drilling Operations
- Publication number 20200157889
- Publication date May 21, 2020
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Application
ROLLER REAMER WITH LABYRINTH SEAL ASSEMBLY
- Publication number 20190162027
- Publication date May 30, 2019
- DUANE SHOTWELL
- E21 - EARTH DRILLING MINING
Information Patent Application
ROLLER REAMER WITH MECHANICAL FACE SEAL
- Publication number 20190162028
- Publication date May 30, 2019
- DUANE SHOTWELL
- E21 - EARTH DRILLING MINING
Information Patent Application
ROLLER REAMER INTEGRAL PRESSURE RELIEF ASSEMBLY
- Publication number 20190162026
- Publication date May 30, 2019
- DUANE SHOTWELL
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer for Use in Drilling Operations
- Publication number 20180258703
- Publication date Sep 13, 2018
- DUANE SHOTWELL
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer Cutting Insert for Use in Drilling Operations
- Publication number 20180058147
- Publication date Mar 1, 2018
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer for Use in Drilling Operations
- Publication number 20160265280
- Publication date Sep 15, 2016
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer for Use in Drilling Operations
- Publication number 20160123088
- Publication date May 5, 2016
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer for Use in Drilling Operations
- Publication number 20160123089
- Publication date May 5, 2016
- Duane Shotwell
- E21 - EARTH DRILLING MINING
Information Patent Application
Reamer for Use in Drilling Operations
- Publication number 20160123085
- Publication date May 5, 2016
- Duane Shotwell
- E21 - EARTH DRILLING MINING

Duane Shotwell

Person

Patents Grantslast 30 patents

Reamer with cutting inserts for use in drilling operations

Trimodal reamer for use in drilling operations

Reamer cutting insert for use in drilling operations

Roller reamer with mechanical face seal

Roller reamer with labyrinth seal assembly

Roller reamer integral pressure relief assembly

Reamer for use in drilling operations

Reamer cutting insert for use in drilling operations

Reamer for use in drilling operations

Reamer for use in drilling operations

Patents Applicationslast 30 patents

EARTH-BORING DRILL BIT WITH CHISEL CUTTER

Reamer Cutting Insert for Use in Drilling Operations

Reamer with Cutting Inserts for Use in Drilling Operations

Trimodal Reamer for Use in Drilling Operations

ROLLER REAMER WITH LABYRINTH SEAL ASSEMBLY

ROLLER REAMER WITH MECHANICAL FACE SEAL

ROLLER REAMER INTEGRAL PRESSURE RELIEF ASSEMBLY

Reamer for Use in Drilling Operations

Reamer Cutting Insert for Use in Drilling Operations

Reamer for Use in Drilling Operations

Reamer for Use in Drilling Operations

Reamer for Use in Drilling Operations

Reamer for Use in Drilling Operations