LexDanaLexDanabeta
Inventor

Herbert Groh

Inventor
Wetzlar-Garbenheim, DE

Overview

2→
Patents
1982–2004
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B23Qprimary
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling14%
B24BMachines, devices, or processes for grinding or polishing14%
B25JManipulators14%
F02BInternal-combustion piston engines14%
F02DControlling combustion engines14%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
6,808,445'Device for loading and unloading optical workpieces'20044,356,802'Valve system for regulating the idling speed of Otto engines, particularly automobile engines'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to VDO SCHINDLING (1)· patent assignee history
1982Based in Frankfurt am Main, DE· patent location history
2004Patents assigned to LOH OPTIKMASCHINEN AG (1)· patent assignee history
2004Based in Wetzlar-Garbenheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LOH OPTIKMASCHINEN AG12004
VDO SCHINDLING11982
Locations
LocationPatentsSpan
Wetzlar-Garbenheim, DE12004
Frankfurt am Main, DE11982