patent · · added 2 months ago
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13,573 items
August 2026
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patent · · added 2 months ago
Downhole Motors with a Lubricating Unit for Lubricating the Stator and Rotor
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patent · · added 2 months ago
Fuel intake for an engine
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patent · · added 2 months ago
Hybrid Cycle Combustion Engine and Methods
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patent · · added 2 months ago
Four-stroke cycle internal combustion engine
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patent · · added 2 months ago
Lubricant supply for internal combustion engine
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patent · · added 2 months ago
Marine engine with water cooled fuel line from remote tank
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patent · · added 2 months ago
Marine engine with combination vapor return, crankcase pressure, and cooled fuel line conduit
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patent · · added 2 months ago
Upper cylinder area lubrication system
Machine transcription of the US4745896A patent scan, 5 pages.
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patent · · added 2 months ago
Oil changing system
Machine transcription of the US4421078A patent scan, 5 pages.
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patent · · added 2 months ago
Hybrid cycle combustion engine and methods
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patent · · added 2 months ago
Downhole motors with a lubricating unit for lubricating the stator and rotor
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patent · · added 2 months ago
Hybrid cycle combustion engine and methods
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patent · · added 2 months ago
Hybrid Cycle Combustion Engine and Methods
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patent · · added 2 months ago
Hybrid cycle combustion engine and methods
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patent · · added 2 months ago
Apparatus for generating linear and continuous positional error and velocity signals for higher order servo systems
Machine transcription of the US4130786A patent scan, 11 pages.
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patent · · added 2 months ago
Lubricating oil supply system for rotary engine
A lubricating oil supply system for a rotary internal combustion engine and adapted to supply a lubricating oil onto the inner surface of the engine housing. The lubricating oil su...
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patent · · added 2 months ago
Oil rate regulator for internal combustion engine tightness member
The tightness problem in internal combustion engines is usually solved by film between the apical portion of the segments and the chamber walls. The device disclosed herein is cont...
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patent · · added 2 months ago
Compressor or vacuum pump
Machine transcription of the US2241718 patent scan, 3 pages.
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patent · · added 2 months ago
Internal-combustion engine
Machine transcription of the US1542765 patent scan, 7 pages.
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patent · · added 2 months ago
Engine
Machine transcription of the US2273202 patent scan, 6 pages.
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patent · · added 2 months ago
Heated catalyzed fuel injector for injection ignition engines
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patent · · added 2 months ago
Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation
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patent · · added 2 months ago
Combined steam reformation reactions and water gas shift reactions for on-board hydrogen production in an internal combustion engine
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patent · · added 2 months ago
Engine reformer systems for lower cost, smaller scale manufacturing of liquid fuels
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patent · · added 2 months ago
Combustion system
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patent · · added 2 months ago
Engine system and method for substantially NOx-free combustion of a fuel in a compression ignition engine
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patent · · added 2 months ago
Carburetion apparatus
Machine transcription of the US1777472 patent scan, 10 pages.
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patent · · added 2 months ago
Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation
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patent · · added 2 months ago
Fuel injection system