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Inventor

Hilmar Ortlepp

Inventor
Mannheim, DE

Overview

4→
Patents
1984–1995
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.

F15Bprimary
F15BSystems acting by means of fluids in general29%
Y10TTechnical subjects covered by former us classification29%
A01BSoil working in agriculture or forestry14%
B62DMotor vehicles14%
E02FDredging14%
PatentTitleYear
5,419,129'Hydraulic system for open or closed-centered systems'19954,664,356'Control valve'19874,612,995'Draft vehicle with load sensor and removable support'19864,463,819'Hydraulic control valve'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1995Patents assigned to DEERE & CO (4)· patent assignee history
1984–1995Based in Mannheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEERE & CO41984–1995
Locations
LocationPatentsSpan
Mannheim, DE41984–1995