Barrel Engine Patents Home Home

Swash Plate

Year

“Z” Crank

Year

Cylindrical Cam

Year

Bevel Gear /

Crank

Year

A.H.Gould

US657409

1900

H.Michel

US1603969

1920

F. Lamplough

GB190927948

1909

C.J. Toth

US1476307

1923

R.Wishon

US1476275

1919

Centra Handels

GB334475

1930

F. Lamplough

GB191020219

1910



J.M.Royal

US1808380

1929

E.A.Burns

US2076334

1934

F. Lamplough

GB191020220

1910



H.Alfaro

US2091948

1934

P.Schmaljohann

GB309587

1980

F. Lamplough

GB191026990

1910



H.Alfaro

US2140397

1935

A.Lowi

US5375567

1994

J.A.Hult

US1389873

1921



H.Alfaro

US2147186

1935

R.J.Novotny

US5551383

1996

B.K.Bowen

US1529687

1925



H.Alfaro

US2157586

1935

A.Lowi

US5507253

1996

Centra Handels

GB309587

1930



P.Mongitore

US3333577

1967

A.M.Shulenberger

US6968751

2005

E.E.Goehler

US1796453

1931







L.M.Wooson

US1788140

1931







M.Tibbetts

US1808083

1931







H.Alfaro

US2080846

1933







P.Karlan

US3456630

1969







C. van der Lely

US4129102

1978







A. Gerace

US4520765

1985







R.J.Novotny

US20050081805

2005







M. Geirnaert

EP1770260

2007







Carlson & Lowe

US20080302343

2008







Carlson & Lowe

US7823546

2010



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