IPC Main Group
C10H 15/00 Acetylene gas generators with carbide feed, with or without regulation by the gas pressure
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- PRODUCTION OF ACETYLENE BY WET METHODS
8 direct subcodes
Child Classifications
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- C10H 15/02 with non-automatic carbide feed
- C10H 15/06 with automatic carbide feed by valves
- C10H 15/14 with feed worm or feed conveyors
- C10H 15/16 with feed drums
- C10H 15/18 with movable feed disc and fixed carbide-receptacle
- C10H 15/2 with carbide feed by cartridges or other packets
- C10H 15/22 with carbide feed of pulverous carbide from receptacles or through the gas-holder
- C10H 15/24 with carbide feed by pistons
Top Applicants
Top 10 applicants by patent filingsfor class C10, 2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 8,875
- SAUDI ARABIAN OIL COMPANY SA 2,245
- PETROCHINA COMPANY 2,028
- EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 1,980
- IFPEN (IFP ENERGIES NOUVELLES) FR 1,963
- SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 1,878
- CHINESE ACADEMY OF SCIENCES 1,829
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 1,787
- LUBRIZOL CORPORATION US 1,277
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,268