Inventor

Hardo Barths

Inventor
Bloomfield Hills, MI, US

Overview

2→
Patents
2006–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines25%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general13%
F02DControlling combustion engines13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
F16LPipes13%
Y02TClimate change mitigation technologies related to transportation13%
Y10TTechnical subjects covered by former us classification13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to GEN MOTORS CORP (1)· patent assignee history
2006Based in Royal Oak, MI, US· patent location history
2013Patents assigned to BARTHS HARDO (1)· patent assignee history
2013Patents assigned to DANIELEWICZ CURT R (1)· patent assignee history
2013Patents assigned to EDWARDS BRIAN J (1)· patent assignee history
2013Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2013Based in Bloomfield Hills, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BARTHS HARDOself12013
DANIELEWICZ CURT R12013
EDWARDS BRIAN J12013
GEN MOTORS CORP12006
GM GLOBAL TECH OPERATIONS INC12013
Locations
LocationPatentsSpan
Bloomfield Hills, MI, US12013
Royal Oak, MI, US12006