Patent assignee · SE · COMPANY

LINDAB AB

48Patents
4Active
48Granted
37Portfolio score

Filing activity: Apr 9, 1993 → Dec 15, 2015

Most-cited patents

PatentTitleAreaCited byStatus
US5618142A Self-drilling blind rivet and method for making a pressure tight riveted joint by means of the same Emerging Cross-Sectional Technologies 97 Expired
USD386246S Circular sleeve coupling General 68 Expired
USD383195S Circular sleeve coupling General 61 Expired
USD447223S Sealing rings for ventilation ducts General 57 Expired
USD360019S Circular sleeve coupling General 53 Expired
US6170883A Tubular element with sealing means and a method for manufacturing the tubular element Mechanical Engineering; Lighting; Heating 51 Expired
USD513072S1 Part in a ventilation system General 50 Expired
USD456071S1 Coupling ring for ventilation ducts General 47 Expired
USD360021S Circular sleeve coupling General 45 Expired
USD360020S Circular sleeve coupling General 44 Expired
USD383196S Circular sleeve coupling General 43 Expired
USD367316S Circular sleeve coupling General 43 Expired
USD360018S Circular sleeve coupling General 42 Expired
USD363115S Component part of a T-piece General 41 Expired
US6431609B1 Pipe connection for ventilating duct system Mechanical Engineering; Lighting; Heating 40 Expired
USD362299S Circular sleeve coupling General 39 Expired
USD456072S1 Coupling ring for ventilation ducts General 37 Expired
US5473815A Method for producing a connector for fluid pipe elements Emerging Cross-Sectional Technologies 36 Expired
USD361829S Circular sleeve coupling General 36 Expired
USD362300S Circular sleeve coupling General 35 Expired
USD454949S1 Coupling ring for ventilation ducts General 34 Expired
USD461887S1 Coupling ring for ventilation ducts General 34 Expired
US5405174A Kit and method for producing a connector for fluid pipe elements Emerging Cross-Sectional Technologies 33 Expired
US6062270A Double-walled structure in a ventilation duct system Mechanical Engineering; Lighting; Heating 28 Expired
USD475781S1 Coupling ring for ventilation ducts General 25 Expired

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