Patent assignee · US · COMPANY

Warner Electric Technology LLC

57Patents
41Active
57Granted
51Portfolio score

Filing activity: Apr 15, 1996 → Apr 11, 2024 · 11 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6265802A Laminated rotor assembly and method for a dynamoelectric machine Electricity 27 Expired
US6364084B1 Armature for a selectively engageable and disengageable coupling Emerging Cross-Sectional Technologies 16 Expired
US7556128B2 Dual actuator friction brake assembly Mechanical Engineering; Lighting; Heating 16 Expired
US6315088A Spring-set electromagnetically released brake Mechanical Engineering; Lighting; Heating 12 Expired
US6194803A Sound damping armature assembly for an electromagnetic coupling Emerging Cross-Sectional Technologies 12 Expired
US7721864B2 Rotational coupling device with sealed key Mechanical Engineering; Lighting; Heating 9 Active
US7591349B2 Liquid cooled brake assembly Mechanical Engineering; Lighting; Heating 9 Active
US7374027B2 Balanced flow cooling water jacket Mechanical Engineering; Lighting; Heating 9 Expired
US6100662A Step motor stabilization control Electricity 8 Expired
US7732959B2 Rotational coupling device Mechanical Engineering; Lighting; Heating 8 Active
US7975818B2 Rotational coupling device Mechanical Engineering; Lighting; Heating 8 Active
US8499916B2 Rotational coupling device with flux leakage path insulator Mechanical Engineering; Lighting; Heating 7 Active
US7527134B2 Rotational coupling device Mechanical Engineering; Lighting; Heating 7 Active
US6129194A Electromagnetic coupling armature assembly with counterweight Mechanical Engineering; Lighting; Heating 6 Expired
US7900752B2 Dual actuator friction brake assembly Mechanical Engineering; Lighting; Heating 6 Active
US9097299B2 Electromagnetic actuator for a bi-directional clutch Mechanical Engineering; Lighting; Heating 5 Active
US6238106A AC drive display Physics 5 Expired
US6106307A Pluggable I/O breakout connector module Electricity 5 Expired
US6121745A Direct current command generation for a stepper motor drive Electricity 5 Expired
US7493996B2 Rotational coupling device Mechanical Engineering; Lighting; Heating 4 Expired
US8123012B2 Rotational coupling device with wear compensation structure Mechanical Engineering; Lighting; Heating 4 Active
US9903429B2 Brake with a reed switch for indicating an operating condition of the brake Mechanical Engineering; Lighting; Heating 3 Active
US8776955B2 Liquid cooled brake with support columns Mechanical Engineering; Lighting; Heating 3 Active
US6257388A Anti-slip insert for a backstopping clutch Mechanical Engineering; Lighting; Heating 3 Expired
US8881882B2 Rotational coupling device with improved lubrication Mechanical Engineering; Lighting; Heating 3 Active

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