Patent assignee · LI · COMPANY

THYSSENKRUPP PRESTA TECCENTER AG

90Patents
87Active
90Granted
54Portfolio score

Filing activity: Mar 17, 2004 → Mar 24, 2020 · 17 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8621951B2 Divided tooth wheel Emerging Cross-Sectional Technologies 8 Active
US8844130B2 Assembled camshaft, main camshaft body and method for producing an assembled camshaft Emerging Cross-Sectional Technologies 7 Active
US8495980B2 Adjustable camshaft arrangement Mechanical Engineering; Lighting; Heating 5 Active
US8590499B2 Camshaft module for attachment to a cylinder head of an internal combustion engine Mechanical Engineering; Lighting; Heating 4 Active
US8887681B2 Cam unit for a constructed camshaft Emerging Cross-Sectional Technologies 4 Active
US8820281B2 Camshaft with variable valve opening period Mechanical Engineering; Lighting; Heating 4 Active
US9261177B2 Camshaft with axially movable cam pack Emerging Cross-Sectional Technologies 4 Active
US8210143B2 Adjustable camshaft arrangement Mechanical Engineering; Lighting; Heating 4 Active
US8402650B2 Built-up camshaft Emerging Cross-Sectional Technologies 3 Active
US8496721B2 Hollow body having an integrated oil separating device Mechanical Engineering; Lighting; Heating 3 Active
US10393241B2 Camshaft, especially for motor vehicle engines Emerging Cross-Sectional Technologies 3 Active
US7493878B2 Device for variable actuation of the gas exchange valves of internal combustion engines Emerging Cross-Sectional Technologies 3 Expired
US9981304B2 Method for assembling an engine module Emerging Cross-Sectional Technologies 2 Active
US10461604B2 Oil distribution element Electricity 2 Active
US10060304B2 Valve control system having an adjustable camshaft Mechanical Engineering; Lighting; Heating 2 Active
US7467609B2 Valve-stroke controls Emerging Cross-Sectional Technologies 2 Expired
US9273571B2 Camshaft having adjustable cams that can be oiled by means of pressure oil Mechanical Engineering; Lighting; Heating 2 Active
US9617876B2 Adjustable camshaft Emerging Cross-Sectional Technologies 2 Active
US8833319B2 Valve train with camshaft with an axially displaceable cam unit Mechanical Engineering; Lighting; Heating 2 Active
US8225756B2 Adjusting device for variable valve control Mechanical Engineering; Lighting; Heating 2 Active
US9121354B2 Mounting of a camshaft Emerging Cross-Sectional Technologies 2 Active
US9534674B2 Camshaft having an axially displaceable cam pack Emerging Cross-Sectional Technologies 1 Active
US11056940B2 Assembled rotor shaft with an asymmetrical design, rotor, and method for producing the assembled rotor shaft and rotor Electricity 1 Active
US9273765B2 Camshaft with an axially displaceable cam pack Emerging Cross-Sectional Technologies 1 Active
US8657907B2 Tubular camshaft with integrated oil separator Mechanical Engineering; Lighting; Heating 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.