Patents by Inventor Paul P. H. Chang

Paul P. H. Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4480802
    Abstract: A silencer of an anti-reverse fishing reel comprises a rubbing block adhered onto a catch which prevents the reverse rotation of a ratchet of the fishing reel and a buffer recess with a wide opening formed on the catch. Whenever normally rotating the ratchet of a fishing reel, the driving gear of the fishing reel will frictionally carry the rubbing block and the catch to a position outside the rotating radius of the ratchet teeth so as to eliminate the clicking sound generally produced between the ratchet and catch. The buffer recess has a wide opening on the catch providing a buffer space for releasing the catch from the ratchet teeth.
    Type: Grant
    Filed: July 13, 1982
    Date of Patent: November 6, 1984
    Inventors: Paul P. H. Chang, Cheng-Hsiang Chu
  • Patent number: 4439945
    Abstract: An instant push-button fastener for fastening a fishing reel seat to the handle of a fishing rod comprises a clamping button, a coupling sleeve and a releasing button. The clamping button is depressed to insert an engaging head into the coupling sleeve. The coupling sleeve fixedly retains the engaging head, securing the fishing reel seat to the handle of the fishing rod. The releasing button is depressed to release the engaging head from the coupling sleeve, thus releasing the fishing reel seat from the handle.
    Type: Grant
    Filed: August 25, 1981
    Date of Patent: April 3, 1984
    Inventors: Paul P. H. Chang, Cheng-hsiang Chu
  • Patent number: 4367873
    Abstract: A game ball for use in playing such games as baseball or softball comprises a spherical core made of PVC foam, a core cover of an ethylene copolymer, the core cover having a corrugated or rough surface, yarn windings and an outer leather cover, the ball having lower production cost and good durability in addition to essentially the same playing characteristics as conventional balls.
    Type: Grant
    Filed: June 30, 1981
    Date of Patent: January 11, 1983
    Inventors: Paul P. H. Chang, Chen-Shin Chu