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Inventor

Eric Pekrul

Inventor
Manitowoc, WI, US

Overview

4→
Patents
1998–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general57%
Y02TClimate change mitigation technologies related to transportation43%
PatentTitleYear
8,925,297'Engine exhaust systems with secondary air injection systems'20158,925,298'Engine exhaust systems with secondary air injection systems'20158,429,896'Engine exhaust systems with secondary air injection systems'20135,783,782'Multi-chamber muffler with selective sound absorbent material placement'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to TENNECO AUTOMOTIVE INC (1)· patent assignee history
1998Based in Mason, MI, US· patent location history
2013–2015Patents assigned to KOHLER CO (3)· patent assignee history
2013–2015Patents assigned to HUDAK ERIC (2)· patent assignee history
2013–2015Patents assigned to PEKRUL ERIC (2)· patent assignee history
2013–2015Based in Manitowoc, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOHLER CO32013–2015
HUDAK ERIC22013–2015
PEKRUL ERICself22013–2015
TENNECO AUTOMOTIVE INC11998
Locations
LocationPatentsSpan
Manitowoc, WI, US32013–2015
Mason, MI, US11998