TREA

surface area

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Industry

  • CPC
  • A63B2049/0202
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Parent Industries

AHUMAN NECESSITIES A63Sports, games A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING BALL GAMES TRAINING EQUIPMENT

Current Industry

A63B2049/0202surface area
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Racquet configured with fewer cross strings than main strings
    • Patent number 9,339,699
    • Issue date May 17, 2016
    • Wilson Sporting Goods Co.
    • William D. Severa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Reinforcing member for a badminton racquet
    • Patent number 7,211,010
    • Issue date May 1, 2007
    • Wilson Sporting Goods Co.
    • Mark W. Lin
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket
    • Patent number 7,137,912
    • Issue date Nov 21, 2006
    • SRI Sports Limited
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racket with vibration damping yoke
    • Patent number 6,663,514
    • Issue date Dec 16, 2003
    • Sumitomo Rubber Industries, Ltd.
    • Kunio Niwa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racquet
    • Patent number 6,383,099
    • Issue date May 7, 2002
    • Wilson Sporting Goods Co.
    • Willie McMillan
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Lightweight tennis racket having high frequency
    • Patent number 6,106,417
    • Issue date Aug 22, 2000
    • Head Sport Aktiengesellschaft
    • Helmut Umlauft
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis rackets
    • Patent number 5,893,810
    • Issue date Apr 13, 1999
    • Head Sport Aktiengesellschaft
    • Helmut Umlauft
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racquetball racquet
    • Patent number 5,833,560
    • Issue date Nov 10, 1998
    • Prince Sports Group, Inc.
    • Stephen J. Davis
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket frame
    • Patent number 5,538,243
    • Issue date Jul 23, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Ken Yamamoto
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Long tennis racquet
    • Patent number 5,464,210
    • Issue date Nov 7, 1995
    • Prince Sports Group, Inc.
    • Stephen J. Davis
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racquet
    • Patent number 5,374,058
    • Issue date Dec 20, 1994
    • GenCorp Inc.
    • Richard Janes
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket
    • Patent number 5,368,295
    • Issue date Nov 29, 1994
    • Wilson Sporting Goods Co.
    • William D. Severa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket
    • Patent number 5,306,005
    • Issue date Apr 26, 1994
    • La Chemise Lacoste (S.A.)
    • Rene Lacoste
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racquet
    • Patent number 5,219,165
    • Issue date Jun 15, 1993
    • GenCorp Inc.
    • Richard Janes
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racquets, in particular tennis racquets
    • Patent number 5,183,265
    • Issue date Feb 2, 1993
    • Head Sportgerate Gesellschaft m.b.H. & Co. OHG
    • Helmut Umlauft
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racket frame with circular cross section and variable thickness
    • Patent number 5,076,583
    • Issue date Dec 31, 1991
    • Sportstech Industries (U.S. Tech) Inc.
    • Henry Hsu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racquetball racquet with increased hitting area
    • Patent number 4,618,148
    • Issue date Oct 21, 1986
    • Ektelon
    • Raymond L. Mortvedt
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racquetball racquet with increased hitting area
    • Patent number 4,531,738
    • Issue date Jul 30, 1985
    • Ektelon
    • Raymond L. Mortvedt
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket
    • Patent number 3,999,756
    • Issue date Dec 28, 1976
    • Prince Manufacturing, Inc.
    • Howard Head
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents