Inventor

Eric W. Engebretsen

Inventor

Zionsville, IN, US

Overview

2012–2020

Patent span

Mechanical engineering

Primary field (CPC F)

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

F01Dprimary

F01DNon-positive displacement machines or engines, e.g. steam turbines30%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants20%

F04DNon-positive-displacement pumps13%

F02CGas-turbine plants10%

Y02TClimate change mitigation technologies related to transportation10%

F02KJet-propulsion plants7%

B29CShaping or joining of plastics3%

B64CAeroplanes3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to ROLLS ROYCE CORP (9)· patent assignee history

2012Patents assigned to ENGEBRETSEN ERIC WILLIAM (1)· patent assignee history

2012Based in Avon, IN, US· patent location history

2014Patents assigned to ENGEBRETSEN ERIC W (1)· patent assignee history

2014Patents assigned to HODGSON BENEDICT N (1)· patent assignee history

2014Based in Westfield, IN, US· patent location history

2016–2020Based in Zionsville, IN, US· patent location history

2018–2020Patents assigned to ROLLS ROYCE NAM TECH INC (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROLLS ROYCE CORP	9	2012–2020
ROLLS ROYCE NAM TECH INC	2	2018–2020
ENGEBRETSEN ERIC Wself	1	2014
ENGEBRETSEN ERIC WILLIAMself	1	2012
HODGSON BENEDICT N	1	2014

Locations