Patents
Sitemap › A63 - Sports; Games; Amusements › A63B - Apparatus for physical training, gymnastics, swimming, climbing, or fencing; Ball games; Training equipment › A63B 51 - Stringing tennis rackets
Patents for A63B 51 - Stringing tennis rackets (1,355)
04/1984
04/10/1984US4441712 Tennis racket string mount
04/03/1984US4440392 One piece molded games racket
04/03/1984US4439908 Method for stringing a racquet
03/1984
03/20/1984US4437662 String load apportioned racket
02/1984
02/21/1984CA1162396A1 Racket stringing apparatus and method
01/1984
01/17/1984CA1160438A1 Racket stringing apparatus and method
11/1983
11/29/1983US4417729 Racket stringing apparatus
11/24/1983WO1983003998A1 Method for manufacturing racket strings, particularly for tennis rackets, and strings manufactured by such method
11/09/1983EP0093210A1 String load apportioned racket
10/1983
10/25/1983CA1155621A1 Strings
10/13/1983WO1983003454A1 Improvements in mechanical seals
10/13/1983WO1983003358A1 Tennis or squash racket
10/11/1983US4408760 Strung racquet
08/1983
08/24/1983EP0086285A1 Improvements in and relating to racket strings
07/1983
07/26/1983US4395458 Graphite impregnated polyamide tennis strings
07/20/1983EP0083824A1 String for sports rackets
07/05/1983US4391391 Syringe for applying adhesive resin to the junctions of tennis racket netting
07/05/1983US4391088 String for sports rackets
06/1983
06/29/1983EP0082550A1 Apparatus for stringing a racket frame
05/1983
05/10/1983US4382358 String of a vinylidene fluoride synthetic resin composition
04/1983
04/12/1983US4379554 Platform tennis paddle
03/1983
03/22/1983US4377620 Gut for tennis racket and the like and method of making same
03/22/1983US4377288 Tennis racket
03/15/1983US4376535 Machine for stringing rackets
02/1983
02/15/1983US4373721 Racket stringer tensioner
01/1983
01/18/1983US4368886 Inserts for the crossing points of tennis racket stringing
01/11/1983CA1139329A1 Rackets
01/04/1983US4366959 Racket for tennis and similar games
01/04/1983US4366958 Racket stringing machines
12/1982
12/22/1982EP0067541A2 Process for the preparation of polyethylene terephthalate monofilaments
12/20/1982EP0052622A4 Racquet strings and racquets.
12/14/1982US4363613 Apparatus for forming protuberances on a line
12/07/1982US4361968 Apparatus for polymerization of adhesive resin applied to the junctions of tennis racket netting
11/1982
11/16/1982US4359213 Tension clamp for three or more direction string networks
10/1982
10/12/1982US4353550 Paddle ball racket with adjustment for flexing
10/12/1982CA1133238A1 String pre-stretching apparatus and method for racket-stringing machine
09/1982
09/14/1982US4349198 String for sporting goods
09/07/1982US4348024 Racket stringing apparatus and method
08/1982
08/31/1982US4346891 Rackets
08/17/1982US4344279 And a thread wrapping
08/10/1982CA1129453A1 Games rackets
07/1982
07/20/1982US4340225 Game racket and apparatus for adjusting the tension in the strings of a game racket
07/13/1982US4339131 Racket stringing device
06/1982
06/08/1982US4333650 String load apportioned racket
06/02/1982EP0052622A1 Racquet strings and racquets
05/1982
05/18/1982US4330132 Racquets
05/18/1982US4330124 Tamburello
05/04/1982US4328055 Gut
04/1982
04/27/1982US4326713 Racket stringing apparatus and method
04/14/1982EP0049368A1 Synthetic string
04/07/1982EP0049196A1 Strings of synthetic materials for tennis rackets
03/1982
03/23/1982US4320900 Rackets
02/1982
02/23/1982CA1118806A1 Racket with hydraulic or hydro-pneumatic cord tensioning elements
01/1982
01/12/1982US4309910 String tension tester
01/11/1982EP0024079A4 String pre-stretching apparatus and method for racket-stringing machine.
12/1981
12/23/1981EP0041962A1 Guts for tennis rackets and similar games
12/22/1981US4306410 String construction for athletic rackets
12/10/1981WO1981003431A1 Racquet strings and racquets
11/1981
11/17/1981US4300343 Gut
11/10/1981US4299385 Racquet
11/03/1981US4297835 Synthetic strings
10/1981
10/27/1981US4297308 Method of manufacturing games rackets
10/06/1981US4293129 Game rackets and paddles with nonparallel playing surfaces
09/1981
09/15/1981US4288977 Resin-bonded, twisted
09/15/1981CA1109092A1 Throatless tennis racquet
09/02/1981EP0034688A2 Machine for stringing rackets
08/1981
08/11/1981CA1106867A1 String vibration suppressing means for string rackets
07/1981
07/21/1981US4279418 Rackets for tennis and other games
07/09/1981WO1981001797A1 Guts for tennis rackets and similar games
06/1981
06/23/1981US4275117 String construction produced by subjecting a fibrous strand composed of fibrous materials having differing melting points to heating conditions sufficient to melt some but not all of the fibrous materials
06/16/1981US4273331 Tennis-racket
06/02/1981US4270752 Reverser apparatus for tennis rackets
04/1981
04/21/1981US4262903 Paddle racquet
04/01/1981EP0026008A1 Device for stringing rackets
03/1981
03/24/1981USRE30555 Method of producing string of polyamide and stringed rackets with such string
03/11/1981EP0024398A1 Playing racket
02/1981
02/25/1981EP0024079A1 String pre-stretching apparatus and method for racket-stringing machine.
02/10/1981US4249732 String pre-stretching apparatus and method for racket stringing machine
02/10/1981US4249731 Game racket
12/1980
12/09/1980US4238262 Applying particles and adhesive to racquet strings
11/1980
11/27/1980WO1980002511A1 Paddle racquet
11/18/1980US4234111 Device for threading strings or the like
11/04/1980US4231575 Racket stringing
09/1980
09/04/1980WO1980001757A1 Playing racket
08/1980
08/21/1980WO1980001649A1 String pre-stretching apparatus and method for racket-stringing machine
07/1980
07/22/1980US4213608 Game racquets
06/1980
06/24/1980CA1079944A1 Integrated string comprised of from 2 to 4 monofilaments
06/10/1980US4206917 Sports racquet
05/1980
05/27/1980US4204680 Rackets
05/20/1980US4203597 Throatless tennis racquet
04/1980
04/08/1980US4196901 Tennis racquet
02/1980
02/26/1980US4190249 Tennis racket and method of making same
02/19/1980US4189142 Tennis racket
01/1980
01/29/1980CA1070726A1 Insert device for application to the intersections of tennis racket strings
01/22/1980US4184679 Game racket and method of making same
01/15/1980US4183200 Tennis racket string
12/1979
12/25/1979US4180265 Implement for striking a ball
10/1979
10/30/1979US4172596 Racquet means and method of stringing same
10/23/1979CA1064983A1 Method for making a tennis, badminton or similar racket net, net obtained by this method and racket comprising this net
10/17/1979EP0004769A2 A games racquet stringing apparatus
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