Patents by Inventor Carl Nothdurft

Carl Nothdurft 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: 4188743
    Abstract: Improvement in a fishing lure having a molded body part having a projecting attaching loop, the improvement comprising the attaching loop being a wire member formed into a loop portion and having free end portions forming two legs, the legs being bent in the same direction at right angles to the plane of the loop portion, the legs being coined to enlarge them in the plane in which they are disposed, the attaching loop including the coined ends on the two legs and the two right angled bends therein being embedded in the body part during the molding thereof to enhance the retention of the attaching loop in the body part.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: February 19, 1980
    Inventor: Carl Nothdurft
  • Patent number: 4122586
    Abstract: U-bolt clamp saddle for pipe joints, such as automobile exhaust pipes, is formed from a stamped sheet metal blank. The saddle includes two mirror-image halves integrally joined and folded along their "bottom" edge. Symmetrical deformations forming the U-bolt sleeves and rigidifying the blank are provided. The sleeves are hexagonal in cross-section. The halves are spot-welded face-to-face after folding.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: October 31, 1978
    Inventor: Carl Nothdurft
  • Patent number: 4103843
    Abstract: Improvement in a fishing reel having a spool upon which a fishing line is wound, a cover for the spool, a coil spring for automatically winding up the fishing line upon release thereof, a spring cover for winding up the spring, a gear train for rotating the spool upon unwinding of the spring, the improvement comprising the cover consisting of two spool covers held together with a first set of fasteners disposed radially outwardly of the spool, the spring cover carried on one of the spool covers, an axle extending between the spring cover and the other of the spool covers, the gear train including a compound gear and a driver gear and a pinion gear, the driver gear and the pinion gear rotatably supported on the axle, a second set of fasteners carried on the one spool cover for fastening the spring cover thereon, bosses formed in the one spool cover for threadably carrying the second set of fasteners, a tongue and groove arrangement between the spring cover and the one spool cover disposed inwardly of the secon
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: August 1, 1978
    Inventor: Carl Nothdurft
  • Patent number: D243086
    Type: Grant
    Filed: September 3, 1975
    Date of Patent: January 18, 1977
    Inventor: Carl Nothdurft
  • Patent number: D246248
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: November 1, 1977
    Inventor: Carl Nothdurft