Inventor

John E. Hamrin

Inventor

Bemidji, MN, US

Overview

2000–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 17 as inventor

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

F16Hprimary

F16HGearing42%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles19%

F16DCouplings for transmitting rotation15%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general12%

Y02TClimate change mitigation technologies related to transportation8%

B60WConjoint control of vehicle sub-units of different type or different function4%

PatentTitleYear

11,047,464Differential with bi-directional overrunning clutch2021 10,935,087Clutch assembly2021 10,830,324Vehicle layout with a continuously variable transmission2020 10,385,949Shift on the fly transmission2019 10,253,881Systems and methods for axial force generation2019 9,322,461'Continuously variable transmission with input/output planetary ratio assembly'2016 9,133,918'Continuously variable transmission with differential controlling assemblies'2015 9,057,439'Infinitely variable transmission with IVT traction ring controlling assemblies'2015 8,827,856'Infinitely variable transmission with an IVT stator controlling assembly'2014 8,814,739'Continuously variable transmission with an axial sun-idler controller'2014 7,810,601'All terrain or utility vehicle having selectable drive configurations and method therefore'2010 7,591,355'Disconnect'2009 7,367,913'Wet brake system for vehicles'2008 7,278,945'Differential'2007 6,354,398'Mufflers for use with engine retarders; and methods'2002 6,334,506'Muffler arrangements and methods'2002 6,082,487'Mufflers for use with engine retarders; and methods'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2002Patents assigned to DONALDSON CO INC (3)· patent assignee history

2000–2002Based in Bloomington, MN, US· patent location history

2007–2021Patents assigned to TEAM IND INC (13)· patent assignee history

2007–2021Based in Bemidji, MN, US· patent location history

2019Patents assigned to FALLBROOK IP CO LLC (1)· patent assignee history

2020Based in Bagley, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEAM IND INC	13	2007–2021
DONALDSON CO INC	3	2000–2002
FALLBROOK IP CO LLC	1	2019

Locations

Location	Patents	Span
Bemidji, Minnesota, US	13	2007–2021
Bloomington, Minnesota, US	3	2000–2002
Bagley, Minnesota, US	1	2020