IPC Classification

Class code (prefix) Descriptions Number of results
F01M 1/00 Pressure lubrication
F01M 1/02 Pressure lubrication using lubricating pumps
F01M 1/04 Pressure lubrication using pressure in working cylinder or crankcase to operate lubricant-feeding devices
F01M 1/06 Lubricating systems characterised by the provision therein of crankshafts or connecting-rods with lubricant passageways, e.g. bores
F01M 1/08 Lubricating systems characterised by the provision therein of lubricant-jetting means
F01M 1/10 Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
F01M 1/12 Closed-circuit lubricating systems not provided for in groups
F01M 1/14 Timed lubrication
F01M 1/16 Controlling lubricant pressure or quantity
F01M 1/18 Indicating or safety devices
F01M 1/20 Indicating or safety devices concerning lubricant pressure
F01M 1/22 Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure
F01M 1/24 Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure acting on engine fuel system
F01M 1/26 Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure acting on engine ignition system
F01M 1/28 Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure acting on engine combustion-air supply
F01M 3/00 Lubrication specially adapted for engines with crankcase compression of fuel-air mixture, or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
F01M 3/02 Lubrication specially adapted for engines with crankcase compression of fuel-air mixture, or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture with variable proportion of lubricant to fuel, lubricant to air, or lubricant to fuel-air mixture
F01M 3/04 Lubrication specially adapted for engines with crankcase compression of fuel-air mixture, or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture for upper cylinder lubrication only
F01M 5/00 Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
F01M 5/02 Conditioning lubricant for aiding engine starting, e.g. heating
F01M 5/04 Diluting, e.g. with fuel
F01M 7/00 Lubrication means specially adapted for machine or engine running-in
F01M 9/00 Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups
F01M 9/02 Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups having means for introducing additives to lubricant
F01M 9/04 Use of fuel as lubricant
F01M 9/06 Dip or splash lubrication
F01M 9/08 Drip lubrication
F01M 9/10 Lubrication of valve gear or auxiliaries
F01M 9/12 Non-pressurised lubrication, or non-closed-circuit lubrication, not otherwise provided for
F01M 11/00 Component parts, details, or accessories, not provided for in, or of interest apart from, groups
F01M 11/02 Arrangements of lubricant conduits
F01M 11/03 Component parts, details, or accessories, not provided for in, or of interest apart from, groups - Details of lubricant purifying means
F01M 11/04 Filling or draining lubricant of or from machines or engines
F01M 11/06 Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
F01M 11/08 Separating lubricant from air or fuel-air mixture before entry into cylinder
F01M 11/10 Indicating devices; Other safety devices
F01M 11/12 Indicating devices; Other safety devices concerning lubricant level
F01M 13/00 Crankcase ventilating or breathing
F01M 13/02 Crankcase ventilating or breathing by means of additional source of positive or negative pressure
F01M 13/04 Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
F01M 13/06 Crankcase ventilating or breathing specially adapted for submersible engines, e.g. of armoured vehicles