Inventor

DONALDSON A BURL

US7 patents

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

ENHANCED ENERGY SYSTEMS

2 patents

US4648835AMar 10, 1987

Steam generator having a high pressure combustor with controlled thermal and mechanical stresses and utilizing pyrophoric ignition

ENHANCED ENERGY SYSTEMS63 citations92

US4498542AFeb 12, 1985

Direct contact low emission steam generating system and method utilizing a compact, multi-fuel burner

ENHANCED ENERGY SYSTEMS66 citations92

DONALDSON A BURL

2 patents

US4411618AOct 25, 1983

Downhole steam generator with improved preheating/cooling features

DONALDSON A BURL54 citations88

US9752422B2Sep 5, 2017

Direct electrical steam generation for downhole heavy oil stimulation

DONALDSON A BURL1 citations48

US ENERGY

1 patent

US4366860AJan 4, 1983

Downhole steam injector

US ENERGY54 citations88

UNIV NEW MEXICO STATE TECH TRA

1 patent

US6848419B1Feb 1, 2005

Wetstacking avoidance in internal combustion engines

UNIV NEW MEXICO STATE TECH TRA15 citations82

ENERGY ANALYST LLC

1 patent

US10641481B2May 5, 2020

Systems and methods for generating superheated steam with variable flue gas for enhanced oil recovery

ENERGY ANALYST LLC0 citations44