Patent assignee · IT · COMPANY

RFT S.p.A.

9Patents
0Active
9Granted
28Portfolio score

Filing activity: Nov 2, 1989 → May 10, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US6273428A Annular seal assembly, in particular for the drive shaft of a vehicle Mechanical Engineering; Lighting; Heating 14 Expired
US4993379A Sliding stem seal, particularly for valve stems Mechanical Engineering; Lighting; Heating 13 Expired
US5073329A Method for compressions moulding of elastomers Performing Operations; Transporting 10 Expired
US6789805B2 Sealing assembly for relatively rotating mechanical members Mechanical Engineering; Lighting; Heating 8 Expired
US6056293A Sealing assembly for a rotary shaft, in particular of an automotive engine water pump Mechanical Engineering; Lighting; Heating 6 Expired
US6702294B2 Seal unit for mechanical members rotating relative to each other, in particular for foundry rollers Performing Operations; Transporting 6 Expired
US6729623B2 Sealing assembly for two relatively rotating members, in particular the two rings of a rolling-contact bearing Physics 5 Expired
US5478519A Injection-compression process for forming complex shaped items of elastomeric material Performing Operations; Transporting 5 Expired
US5167141A Seal withdrawal and testing device Physics 0 Expired

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