CH52957A
(en )
1912-01-02
Multi-cylinder internal combustion engine with variable stroke
CH70013A
(en )
1915-08-16
Internal combustion engine with rotating cylinder
CH52163A
(en )
1911-11-01
Internal combustion engine with air pump
AT60336B
(en )
1913-07-25
Internal combustion engine with rotating cylinders.
AT57907B
(en )
1913-02-25
Two-stroke internal combustion engine with a divided compression chamber.
FR498700A
(en )
1920-01-20
Improvements to internal combustion engine pistons
NL353C
(en )
1914-10-01
Two-stroke combustion engine with pedal piston
CH52162A
(en )
1911-11-01
Two-stroke internal combustion engine
CH53129A
(en )
1912-02-01
Two-stroke internal combustion engine
CH55814A
(en )
1912-09-16
Two-stroke internal combustion engine
CH65284A
(en )
1914-06-01
Two-stroke internal combustion engine
CH49792A
(en )
1911-03-16
Internal combustion engine with adjustable working piston
CH68230A
(en )
1915-03-01
Multi-cylinder two-stroke internal combustion engine
CH55428A
(en )
1912-08-16
Reversible two-stroke internal combustion engine
CH96921A
(en )
1922-11-16
Single-acting two-stroke internal combustion engine.
CH50745A
(en )
1911-07-01
Internal combustion engine
CH52160A
(en )
1911-11-01
Internal combustion engine
CH53315A
(en )
1912-02-01
Internal combustion engine
CH53654A
(en )
1912-03-16
Internal combustion engine
DK19815C
(en )
1915-02-08
Two-stroke internal combustion engine.
AT87433B
(en )
1922-02-25
Four-stroke internal combustion engine with an injection air compressor.
CH71963A
(en )
1916-05-16
Cylinder covers on internal combustion engines
DK22486C
(en )
1917-10-01
Devices for internal combustion engines with variable piston stroke.
DK30434C
(en )
1922-10-09
Four-stroke internal combustion engine.
CH63873A
(en )
1914-02-16
Internal combustion engine with cylinder heads directed towards the crank axis