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GB115919A
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Improvements in Pumps for Exhausting Air and Gases.
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GB191507210A
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Improvements in or relating to Rotary Pumps.
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GB191422177A
|
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Improvements in Freezing Machines.
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GB191421950A
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Improvements in or relating to Pumps for Compressing or Exhausting Air and Gases.
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GB191205122A
|
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Improvements in Air Pumps.
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|
GB191123722A
|
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Improvements in and connected with Pneumatic Tyres.
|
|
US991493A
|
|
Mercury vacuum-pump.
|
|
US1013541A
|
|
Breathing appliance.
|
|
GB191017644A
|
|
Improvements in or connected with Breathing Appliances.
|
|
GB191017480A
|
|
Improvements in Mercury Vacuum Pumps.
|
|
GB191017456A
|
|
Improvements in or connected with Appliances for Supplying Oxygen or Air to Divers and others.
|
|
US947988A
|
|
Rotary mercury vacuum-pump.
|
|
GB190824210A
|
|
Improvements in Rotary Mercury Vacuum Pumps.
|
|
GB190724496A
|
|
Improvements in Flexible Coupling Pipes for Conveying Fluid under High Pressure.
|
|
GB190722462A
|
|
Improvements in Vacuum Pumps.
|
|
GB190513604A
|
|
Improvements in Apparatus applicable especially for Enabling a Person to Work for a Time under Water in Cases of Emergency.
|
|
GB190429075A
|
|
Improvements in the Separation of Oil and grease from the Condensed Water of Steam Engines and the like
|
|
GB190421221A
|
|
Improved Means and Apparatus for Effecting the Condensation of Steam.
|
|
GB190227900A
|
|
Improvements in Apparatus for Controlling the Supply of Feed Water to Steam Boilers, or of Fuel to the Heating Furnaces and other like uses.
|
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US737728A
|
|
Apparatus for controlling level of water in steam-boilers.
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