Double Crank Patents

Spur Gear

 Drive

Year

Bevel Gear

Drive


Folded

Cylinder


Rhombic

Linkage


Folded

Rocker


Spiral

Gear


Half  Rhombic

Linkage


Hypercycloidal

Gear


F.C.Nunn & T.H.White

GB2847

1899

Barsanti & Matteucci

Piedmont 700

1858

W.G.Lundquist

US2989022

1961

P.Ferguson & W.Henderson

DE11054

1880

J.H.Goodman

US2268532

1941

T.H.Lucas

GB3527

1881

J.U.Lemke

US20100071670

2010

J.U.Lemke

US20070215093

2007

R.P.Kerr

US1316245

1919

R.Lucas

GB14259

1901

R.James

US3910239

1975

J.T.Bird

GB558115

1943

J.E.Witzky

US2910973

1959







H.Junkers

GB147730

1921





Ferrari S.p.A.

EP0638714

1994









H.Junkers

US2031318

1929





J.U.Lemke

US20060219213

2006









H.Junkers

GB356599

1931





J.U.Lemke

US20080163848

2008









H.R.Ricardo

US1942571

1934





T.J.Dougherty

US2008014052

2008









F.B.Stearns

US2056056

1936















B.Fiala Fernbrugg

US2199625

1940















A.K.Antonsen

US2244323

1941















R.Balmer

US2281821

1942















Ford Motor Company

GB564691

1944















H.J.Venediger

US2768616

1956















G.A.Schauer

US30233743

1962















H.J.Venediger

US2768616

1956















G.A.Schauer

US30233743

1962















H.J.Venediger

US3117566

1964















R.A.Sobotowski

US4876992

1989















M.A.Paul

US5058537

1991















H.Golle

DE10026458

2001















J.J.Spitzer & C.A.Manzke

US6182619

2001















G.Elsbett

US20080115771

2008















T.J.Dougherty

US20110083644

2011















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