DK39638C
(en )
1928-12-27
Internal combustion engine with rotating pistons.
SU16484A1
(en )
1930-08-31
Internal combustion engine
DK43370C
(en )
1930-11-17
Internal combustion engine.
AT117708B
(en )
1930-05-10
Internal combustion engine.
DK39509C
(en )
1928-11-19
Internal combustion engine.
DK40106C
(en )
1929-05-06
Internal combustion engine.
DK40327C
(en )
1929-06-17
Internal combustion engine.
DK42197C
(en )
1930-05-12
Internal combustion engine.
AT121814B
(en )
1931-03-10
Multi-cylinder internal combustion engine.
GR1523B
(en )
1927-06-01
SINGLE CYLINDER INTERNAL COMBUSTION ENGINE.
DK41939C
(en )
1930-03-31
Two-stroke internal combustion engine.
DK41940C
(en )
1930-03-31
Two-stroke internal combustion engine.
CH138399A
(en )
1930-02-28
Two-stroke internal combustion engine.
DK41045C
(en )
1929-11-04
Four-stroke internal combustion engine.
DK40029C
(en )
1929-04-15
Combustion engine with rotating Disc Piston.
DK41122C
(en )
1929-11-18
Rotary Internal Combustion Engine.
ES96923A1
(en )
1926-04-16
An improvement in the pistons or pistons of internal combustion engines.
AT121169B
(en )
1931-02-10
Rotary piston internal combustion engine.
ES104494A1
(en )
1927-12-01
Improvement in internal combustion engines.
DK37958C
(en )
1927-09-19
Two-stroke internal combustion engine.
DK41221C
(en )
1929-12-09
Two-stroke internal combustion engine.
DK40975C
(en )
1929-10-21
Internal combustion engine.
DK42530C
(en )
1930-07-07
Internal combustion engine.
DK43942C
(en )
1931-03-30
Internal combustion engine.
ES101124A1
(en )
1927-03-01
Improvements in internal combustion engines.