Inventor

Erik J. Christiansen

Inventor

Cedarburg, WI, US

Overview

11→

Patents

1998–2017

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 11 as inventor

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

F02Bprimary

F02BInternal-combustion piston engines25%

F02FCylinders, pistons or casings, for combustion engines19%

F01MLubricating of machines or engines in general14%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines14%

Y02TClimate change mitigation technologies related to transportation8%

F01LCyclically operating valves for machines or engines6%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%

F02DControlling combustion engines3%

F02PIgnition, other than compression ignition, for internal-combustion engines3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

9,695,764'Multi-fuel marine engine control system'2017 6,408,832'Outboard motor with a charge air cooler'2002 6,405,692'Outboard motor with a screw compressor supercharger'2002 6,295,963'Four cycle engine for a marine propulsion system'2001 6,223,713'Overhead cam engine with cast-in valve seats'2001 6,032,635'Overhead cam engine with integral head'2000 5,988,135'Overhead vertical camshaft engine with external camshaft drive'1999 5,979,392'Overhead cam engine with integral head'1999 5,947,070'Molded plastic camshaft with seal ring'1999 5,884,593'Head and overhead camshaft assembly for an internal combustion engine'1999 5,755,194'Overhead cam engine with dry sump lubrication system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2001Patents assigned to TECUMSEH PRODUCTS CO (7)· patent assignee history

1998–2001Based in Cedarburg, WI, US· patent location history

2001–2017Patents assigned to BRUNSWICK CORP (4)· patent assignee history

2001–2017Based in West Bend, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TECUMSEH PRODUCTS CO	7	1998–2001
BRUNSWICK CORP	4	2001–2017

Locations

Location	Patents	Span
Cedarburg, WI, US	7	1998–2001
West Bend, WI, US	4	2001–2017