Inventor

Michael Schirmer

Inventor

Zermsdorf, DE

Overview

6→

Patents

2007–2013

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 6 as inventor

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

F01Cprimary

F01CRotary-piston or oscillating-piston machines or engines27%

B61DBody details or kinds of railway vehicles9%

B61KAuxiliary equipment specially adapted for railways, not otherwise provided for9%

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load9%

F02BInternal-combustion piston engines9%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids9%

F16CShafts9%

Y02TClimate change mitigation technologies related to transportation9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

8,568,078'Railway car door operator assembly'2013 7,753,317'Low profile portable derail'2010 7,500,461'Rotary combustion engine, designed for diesel fuel'2009 7,264,454'Rotary combustion engine with an improved inner seal'2007 7,234,374'Eccentric shaft for an internal combustion engine'2007 7,234,924'Rotary combustion engine with device for conveying lubricating oil'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2009Patents assigned to WANKEL SUPER TEC GMBH (4)· patent assignee history

2007–2009Based in Zermsdorf, DE· patent location history

2010–2013Patents assigned to ALDON COMPANY INC (2)· patent assignee history

2010Based in House Springs, MO, US· patent location history

2013Patents assigned to ORNIG JOSEPH R (1)· patent assignee history

2013Patents assigned to SCHIRMER MICHAEL L (1)· patent assignee history

2013Based in St. Louis, MO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WANKEL SUPER TEC GMBH	4	2007–2009
ALDON COMPANY INC	2	2010–2013
ORNIG JOSEPH R	1	2013
SCHIRMER MICHAEL Lself	1	2013

Locations

Location	Patents	Span
Zermsdorf, DE	4	2007–2009
St. Louis, MO, US	1	2013
House Springs, MO, US	1	2010