Inventor

ENKE OLAF

US8 patents

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

TENNECO AUTOMOTIVE OPERATING CO INC

3 patents

US10655523B2May 19, 2020

Reagent injector freeze protection

TENNECO AUTOMOTIVE OPERATING CO INC2 citations66

US11333255B2May 17, 2022

Valve assembly

TENNECO AUTOMOTIVE OPERATING CO INC0 citations46

US10704444B2Jul 7, 2020

Injector fluid filter with upper and lower lip seal

TENNECO AUTOMOTIVE OPERATING CO INC0 citations37

SIEMENS AG

2 patents

US6938880B2Sep 6, 2005

Injection valve comprising an optimized surface geometry between a nozzle body and a retaining nut

SIEMENS AG3 citations60

US6799748B2Oct 5, 2004

Injection valve comprising an optimized surface geometry between a nozzle body and a retaining nut

SIEMENS AG4 citations60

HAMILTON SUNDSTRAND CORP

2 patents

US12421944B1Sep 23, 2025

Straight axis variable displacement piston pump with feature to minimize piston side loading

HAMILTON SUNDSTRAND CORP0 citations58

US12313071B1May 27, 2025

Gear pump with suction housing element providing a tight seal between suction and high-pressure chamber to increase pump efficiency and method of providing tight seal

HAMILTON SUNDSTRAND CORP0 citations48

SIEMENS DIESEL SYSTEMS TECHNOLOGY

1 patent

US7900604B2Mar 8, 2011

Dampening stop pin

SIEMENS DIESEL SYSTEMS TECHNOLOGY0 citations30