LexDanaLexDanabeta
Inventor

Richard M. Sparks

Inventor
Bartlesville, OK, US

Overview

6→
Patents
1991–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

F16Hprimary
F16HGearing24%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles14%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology10%
F16DCouplings for transmitting rotation10%
Y10TTechnical subjects covered by former us classification10%
A01BSoil working in agriculture or forestry5%
A01CPlanting5%
B60LPropulsion of electrically-propelled vehicles5%
B60TVehicle brake control systems or parts thereof5%
B60WConjoint control of vehicle sub-units of different type or different function5%
PatentTitleYear
10,527,111Work vehicle drive assembly with electric motor overspeed protection202010,408,283Clutch release system20198,839,694'Hydraulic regenerating and low-speed operating power shift transmission'20146,435,049'Transmission shift control method'20026,193,630'Slip-based shift control system'20015,018,750'Shaft seal assembly'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2020Patents assigned to DEERE & CO (6)· patent assignee history
1991Based in Cedar Falls, IA, US· patent location history
2001–2020Based in Bartlesville, OK, US· patent location history
2014Patents assigned to DETRICK GEORGE W (1)· patent assignee history
2014Patents assigned to EASTMAN BRITON T (1)· patent assignee history
2014Patents assigned to EIKE CRAIG R (1)· patent assignee history
2014Patents assigned to SPARKS RICHARD M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEERE & CO61991–2020
DETRICK GEORGE W12014
EASTMAN BRITON T12014
EIKE CRAIG R12014
SPARKS RICHARD Mself12014
Locations
LocationPatentsSpan
Bartlesville, OK, US52001–2020
Cedar Falls, IA, US11991