Inventor

Rainer Massmann

Inventor

Bonn, DE

Overview

11→

Patents

2003–2012

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 11 as inventor

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

F16Fprimary

F16FSprings41%

E05FDevices for moving wings into open or closed position12%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof12%

F02BInternal-combustion piston engines12%

A47CChairs6%

F01LCyclically operating valves for machines or engines6%

F01MLubricating of machines or engines in general6%

F15BSystems acting by means of fluids in general6%

PatentTitleYear

8,240,440'Device for lifting a hatch pivotable around a pivot axis'2012 8,205,540'Piston-cylinder unit'2012 7,975,994'Displacement element'2011 7,806,244'Piston/cylinder unit with solenoid valve in piston'2010 7,798,556'Opening device'2010 7,784,772'Spring system'2010 7,628,255'Gas spring'2009 7,431,134'Gas spring'2008 6,694,942'Four-stroke engine with rotary valve control'2004 6,659,064'Compact four-stroke combustion engine, especially for the use in a portable working device'2003 6,634,326'Two-stroke motor with fresh-gas supply and flange for a two-stroke motor'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to DOLMAR GMBH (3)· patent assignee history

2003–2004Based in Hamburg, DE· patent location history

2008–2012Patents assigned to STABILUS GMBH (8)· patent assignee history

2008–2012Based in Bonn, DE· patent location history

2012Patents assigned to MASSMANN RAINER (2)· patent assignee history

2012Patents assigned to BOCHEN MARIAN (1)· patent assignee history

2012Patents assigned to MINTGEN ROLF (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
STABILUS GMBH	8	2008–2012
DOLMAR GMBH	3	2003–2004
MASSMANN RAINERself	2	2012
BOCHEN MARIAN	1	2012
MINTGEN ROLF	1	2012

Locations

Location	Patents	Span
Bonn, DE	8	2008–2012
Hamburg, DE	3	2003–2004