P

Inventor

GOPLEN GARY D

US9 patents
⚠️ This page may combine multiple inventors who share the name “GOPLEN GARY D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NELSON IND INC

5 patents
US6457553B1Oct 1, 2002

Low cost muffler

NELSON IND INC38 citations91
US6250422B1Jun 26, 2001

Dual cross-flow muffler

NELSON IND INC37 citations91
US6076632AJun 20, 2000

Cross flow baffle muffler

NELSON IND INC24 citations91
US4872528AOct 10, 1989

Muffler construction

NELSON IND INC30 citations88
US4712643ADec 15, 1987

Particulate trap exhaust muffler

NELSON IND INC21 citations78

GAS RES INST

1 patent
US5314009AMay 24, 1994

Exhaust gas recuperator

GAS RES INST32 citations89

GOPLEN GARY D

1 patent
US8181453B2May 22, 2012

Exhaust Venturi apparatus, system, and method

GOPLEN GARY D12 citations72

CUMMINS FILTRATION IP INC

1 patent
US7591345B1Sep 22, 2009

Angled muffler seam construction and method

CUMMINS FILTRATION IP INC3 citations57

WACKER NEUSON CORP

1 patent
US7896575B2Mar 1, 2011

Soil compactor having low profile muffler

WACKER NEUSON CORP3 citations54