F16F 1/08






Subclass 1/08: Springs (working with fluid F16F 5/00, F16F 9/00) made of steel or other material having low internal friction (F16F 1/36 takes precedence); Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant Wound springs with turns lying in mainly conical surfaces

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10598242 Coil springs with non-linear loading responses and mattresses including the sameMay 20, 16Mar 24, 20Sealy Technology LLC
10448740 Spring-loaded leg rocking chairApr 11, 18Oct 22, 19Zenithen USA, LLC
10060484 Torque converter clutchOct 06, 16Aug 28, 18Barnes Group Inc.
9400027 Coned disc springMar 25, 13Jul 26, 16NHK SPRING CO., LTD.
9161634 Asymmetrical combined cylindrical and conical springsOct 29, 07Oct 20, 15DREAMWELL, LTD.
9147956 Helical spring, connector, electrode and electrometerMar 04, 13Sep 29, 15TANITA CORPORATION
8684342 Coil springJan 25, 08Apr 01, 14NHK SPRING CO., LTD.
7938340 Spraying deviceOct 13, 06May 10, 11RECKITT BENCKISER (UK) LIMITED
7814594 One-sided mattressAug 29, 08Oct 19, 10DREAMWELL, LTD.
6481701 Spring having coils of varying diametersMar 09, 01Nov 19, 02DELPHI TECHNOLOGIES, INC.
6371464 Valve springMay 25, 00Apr 16, 02MEDTRONIC, INC.
5180149 Brake cylinder piston springDec 05, 91Jan 19, 93Twist, Inc.

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Recent Publications

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Patents Issued To Date - By Filing Year

Average Time to Issuance