Inventor

Manfred Arnold

Inventor

Leissling, DE

Overview

1989–2019

Patent span

Mechanical engineering

Primary field (CPC F)

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%

C23CCoating metallic material7%

F01LCyclically operating valves for machines or engines7%

F01MLubricating of machines or engines in general7%

F02BInternal-combustion piston engines7%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids7%

H01JElectric discharge tubes or discharge lamps7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C07DHeterocyclic compounds3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to LEYBOLD AG (4)· patent assignee history

1989–1993Based in Aschaffenburg, DE· patent location history

1996–1998Patents assigned to FEV MOTORENTECH GMBH & CO KG (2)· patent assignee history

1996–2019Based in Aachen, DE· patent location history

1996Based in Mechenkbeuren, DE· patent location history

2000–2013Based in Leissling, DE· patent location history

2003–2007Patents assigned to MERCK PATENT GMBH (2)· patent assignee history

2004Patents assigned to AGROLINZ MELAMIN GMBH (2)· patent assignee history

2007–2008Patents assigned to BOREALIS TECH OY (2)· patent assignee history

2007–2008Based in Porvoo, FI· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations