Inventor

CRAWFORD DONALD LEON

US5 patents

⚠️ This page may combine multiple inventors who share the name “CRAWFORD DONALD LEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLIBURTON ENERGY SERVICES INC

2 patents

US9334715B2May 10, 2016

Pressure-activated switch

HALLIBURTON ENERGY SERVICES INC7 citations78

US10490054B2Nov 26, 2019

In-line integrity checker

HALLIBURTON ENERGY SERVICES INC0 citations38

ROJAS FABIAN FIDEL

1 patent

US9322247B2Apr 26, 2016

Systems and methods of harvesting information from a well-site

ROJAS FABIAN FIDEL25 citations85

BONAVIDES CLOVIS SATYRO

1 patent

US8967291B2Mar 3, 2015

Pressure-activated switch

BONAVIDES CLOVIS SATYRO10 citations77

CRAWFORD DONALD LEON

1 patent

US8739860B2Jun 3, 2014

Mechanical actuator with electronic adjustment

CRAWFORD DONALD LEON0 citations42