Inventor

MUMFORD DAVID

CA7 patents

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

WESTPORT RES INC

2 patents

US6761325B2Jul 13, 2004

Dual fuel injection valve and method of operating a dual fuel injection valve

WESTPORT RES INC63 citations93

US7100577B2Sep 5, 2006

Common rail directly actuated fuel injection valve with a pressurized hydraulic transmission device and a method of operating same

WESTPORT RES INC13 citations79

MUMFORD DAVID

2 patents

US9022303B2May 5, 2015

Fuel injection valve and method for co-injecting a liquid and a gaseous fuel into the combustion chamber of an internal combustion engine

MUMFORD DAVID4 citations69

US8413638B2Apr 9, 2013

Directly actuated valve with a strain-type actuator and a method of operating same

MUMFORD DAVID3 citations54

HUANG JIAN

1 patent

US8108131B2Jan 31, 2012

Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine

HUANG JIAN35 citations90

WESTPORT POWER INC

1 patent

US7124959B2Oct 24, 2006

Dual fuel injection valve and method of operating a dual fuel injection valve

WESTPORT POWER INC38 citations90

HPDI TECH LIMITED PARTNERSHIP

1 patent

US12442337B2Oct 14, 2025

Apparatus and method for regulating and injecting gaseous fuel into an internal combustion engine

HPDI TECH LIMITED PARTNERSHIP0 citations48