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Inventor

Jim D. Ryken

Inventor
Roland, IA, US

Overview

3→
Patents
1993–2001
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

A01Dprimary
A01DHarvesting13%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines13%
F04BPositive-displacement machines for liquids13%
F15BSystems acting by means of fluids in general13%
F16DCouplings for transmitting rotation13%
F16HGearing13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
6,263,670'Loop flushing circuit for lubricating rotating elements in a hydrostatic transmission module'20015,784,949'Retaining system for slipper holddown pins'19985,203,150'Hinged shield for crop cutting apparatus'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to VERMEER MFG CO (1)· patent assignee history
1993Based in New Sharon, IA, US· patent location history
1998Patents assigned to SAUER INC (1)· patent assignee history
1998–2001Based in Roland, IA, US· patent location history
2001Patents assigned to SAUER DANFOSS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAUER DANFOSS INC12001
SAUER INC11998
VERMEER MFG CO11993
Locations
LocationPatentsSpan
Roland, IA, US21998–2001
New Sharon, IA, US11993