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Inventor

John B. Heckel

Inventor
Shakopee, MN, US

Overview

4→
Patents
2001–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids50%
A01DHarvesting17%
F03CPositive-displacement engines driven by liquids17%
F16DCouplings for transmitting rotation17%
PatentTitleYear
8,579,065'Mower with four wheel steering and hydraulic four wheel drive'20136,679,691'Anti cavitation system for two-speed motors'20046,544,018'Hydraulic motor having multiple speed ratio capability'20036,321,882'External manual brake release'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2004Patents assigned to EATON CORP (3)· patent assignee history
2001–2003Based in Bloomington, MN, US· patent location history
2004–2013Based in Shakopee, MN, US· patent location history
2013Patents assigned to BERGSTEN REX R (1)· patent assignee history
2013Patents assigned to HECKEL JOHN B (1)· patent assignee history
2013Patents assigned to TORBORG DAVID H (1)· patent assignee history
2013Patents assigned to TORO CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EATON CORP32001–2004
BERGSTEN REX R12013
HECKEL JOHN Bself12013
TORBORG DAVID H12013
TORO CO12013
Locations
LocationPatentsSpan
Shakopee, Minnesota, US22004–2013
Bloomington, Minnesota, US22001–2003