John M. Piercy

Follow

Person

Woodburn, KY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wash tool apparatus and method of using the same
- Patent number 12,203,342
- Issue date Jan 21, 2025
- TD Tools, Inc.
- Earl H. Dearborn
- E21 - EARTH DRILLING MINING
Information Patent Grant
High-pressure abrasive fluid injection using clear fluid pump
- Patent number 11,938,592
- Issue date Mar 26, 2024
- TD Tools, Inc.
- Earl H. Dearborn
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
WASH TOOL APPARATUS AND METHOD OF USING THE SAME
- Publication number 20240102361
- Publication date Mar 28, 2024
- TD Tools, Inc.
- Earl H. DEARBORN
- E21 - EARTH DRILLING MINING
Information Patent Application
HIGH PRESSURE ABRASIVE FLUID INJECTION
- Publication number 20230193733
- Publication date Jun 22, 2023
- TD Tools, Inc.
- Earl H. Dearborn
- E21 - EARTH DRILLING MINING
Information Patent Application
HIGH-PRESSURE ABRASIVE FLUID INJECTION USING CLEAR FLUID PUMP
- Publication number 20210069863
- Publication date Mar 11, 2021
- TD Tools, Inc.
- Earl H. Dearborn
- B24 - GRINDING POLISHING