DK207C
(en)
|
|
Oil or Gas Engine.
|
DK11C
(en)
|
|
Petroleum engine.
|
DK4C
(en)
|
|
Petroleum engine.
|
DK166C
(en)
|
|
Two-stroke petroleum engine.
|
DK279C
(en)
|
|
Purifier for Lubricating Oil.
|
GB189519142A
(en)
|
|
Improvements in Oil or Gas Engines.
|
DK56C
(en)
|
|
Valve steam engine.
|
ES17703A1
(en)
|
|
Improvements made to gas and oil engines.
|
ES17210A3
(en)
|
|
A gas engine.
|
CH10297A
(en)
|
|
Improved hydrocarbon engine
|
DK83C
(en)
|
|
Oil steam burner.
|
DK38C
(en)
|
|
Combustion engine and its operation.
|
CH11183A
(en)
|
|
Steam engine
|
CH10695A
(en)
|
|
Smoke-consuming combustion system
|
ES17884A1
(en)
|
|
Gas lamp improvements.
|
GB189515514A
(en)
|
|
Improvements in Oil Engines.
|
GB189510621A
(en)
|
|
Improvements in Oil Engines.
|
GB189512097A
(en)
|
|
Improvements in Oil Engines.
|
DK816C
(en)
|
|
Gas engine.
|
CA48524A
(en)
|
|
Oil engine
|
GB189500347A
(en)
|
|
Improvements in Gas or Oil Motor Engines.
|
GB189523599A
(en)
|
|
An Improved Oil Lamp.
|
CH11271A
(en)
|
|
Thermal engine
|
CH10443A
(en)
|
|
Advanced petroleum engine that can run on gas
|
GB189511925A
(en)
|
|
An Improved High Speed Gas or Hydro-carbon Engine.
|