Inventor

Michael D. Tombers

Inventor
Lockport, IL, US

Overview

5→
Patents
1976–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F16Dprimary
F16DCouplings for transmitting rotation20%
F01DNon-positive displacement machines or engines, e.g. steam turbines13%
F04DNon-positive-displacement pumps13%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants13%
A01DHarvesting7%
C25DProcesses for the electrolytic or electrophoretic production of coatings7%
F01MLubricating of machines or engines in general7%
F02BInternal-combustion piston engines7%
F02CGas-turbine plants7%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to INT HARVESTER CO (1)· patent assignee history
1976Based in Merrillville, IN, US· patent location history
1995–2003Patents assigned to GEN MOTORS CORP (3)· patent assignee history
1995–2003Based in Lockport, IL, US· patent location history
2015Patents assigned to ELECTRO MOTIVE DIESEL INC (1)· patent assignee history
2015Patents assigned to TOMBERS MICHAEL D (1)· patent assignee history
2015Based in Homer Glen, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN MOTORS CORP31995–2003
ELECTRO MOTIVE DIESEL INC12015
INT HARVESTER CO11976
TOMBERS MICHAEL Dself12015
Locations
LocationPatentsSpan
Lockport, Illinois, US31995–2003
Homer Glen, Illinois, US12015
Merrillville, IN, US11976