Inventor

John T. Alt

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.

H02Kprimary

H02KDynamo-electric machines13%

F02CGas-turbine plants10%

B64DEquipment for fitting in or to aircraft8%

F02KJet-propulsion plants8%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%

Y02TClimate change mitigation technologies related to transportation8%

B60LPropulsion of electrically-propelled vehicles5%

B81BMicrostructural devices or systems, e.g. micromechanical devices5%

B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to ROLLS ROYCE NAM TECH INC (5)· patent assignee history

2012–2014Patents assigned to ALT JOHN TIMOTHY (2)· patent assignee history

2012Patents assigned to BLACKWELDER MARK J (1)· patent assignee history

2012Patents assigned to GAGNE STEVEN (1)· patent assignee history

2012–2020Based in Zionsville, IN, US· patent location history

2014–2020Patents assigned to ROLLS ROYCE CORP (5)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Zionsville, IN, US	6	2012–2020