Patent of the Day: Method of and Apparatus for Electrical Conversion and Distribution
On this day in 1891 Nikola Tesla was granted the patent for METHOD OF AND APPARATUS FOR ELECTRICAL CONVERSION AND DISTRIBUTION. U.S. Patent No. 462,418. This invention is based on certain electrical…
Patent of the Day: Electrical Transformer
On this day in 1897 Nikola Tesla was granted the patent for ELECTRICAL TRANSFORMER. U.S. Patent No. 593,138. The present application is based upon an apparatus which is devised and employed for the…
Patent of the Day: Muffler
On this day in 1904 Eugene C. Richard was granted the patent for MUFFLER. U.S. Patent No. 773,984. The invention relates to mufflers especially designed for use in connection with explosion-engines;…
Halloween Patent of the Day: Haunting Aid
On August 17, 2004, Frank P. Becking was granted the patent for HAUNTING AID. U.S. Patent No. 6,776,687. A face with glowing eyes returns stare or blinks at onlookers. At least the head of a being or…
Halloween Patent of the Day: Halloween Mask with Flash Device
On March 14, 2000 Ben M. Hsia was granted the patent for HALLOWEEN MASK WITH FLASH DEVICE. U.S. Patent No. 6,035,447. A Halloween mask with flash device, which not only can increase the attractive…
Halloween Patent of the Day: Jack-A-Lantern
On January 15, 1889, George A. Beidler was granted the patent for JACK-A-LANTERN. U.S. Patent No. 396,252. This invention relates to certain improvements in that class of devices known as…
Halloween Patent of the Day: Amusement Device with Flexible Rubberized Pop Up Figure
On January 25, 2002 Thomas J. Mesch's patent for AMUSEMENT DEVICE WITH FLEXIBLE RUBBERIZED POP UP FIGURE was given the publication number of US 2002/0098770 A1. This amusement device includes a…
Patent of the Day: Corkscrew
On this day in 1898 Archibald Stiles was granted the patent for CORKSCREW. U.S. Patent No. 613,176. This invention relates to certain new and useful improvements in corkscrews; and it has for its…
Patent of the Day: Agriculture Machine
On this day in 1899 Jacob J. A. Morath was granted the patent for AGRICULTURE MACHINE. U.S. Patent No. 635,501. This invention relates to improvements in agricultural machines for performing the…
Patent of the Day: Apparatus for Raising or Lowering Ships' Boats
On this day in 1902 Axel Welin was granted the patent for APPARATUS FOR RAISING OR LOWERING SHIP'S BOATS. U.S. Patent No. 711,749. This invention relates to davits which are so constructed that the…
Patent of the Day: Apparatus for Purifying Crude Oils
On this day in 1959 Jim Bailey was granted the patent for APPARATUS FOR PURIFYING CRUDE OILS. U.S. Patent No. 2,909,262. This invention relates to a device for treating petroleum, and it particularly…
Patent of the Day: Glass Slipper
On this day in 1886 Henry J. Smith was granted the patent for GLASS SLIPPER. U.S. Patent No. 351,216. This invention relates to the manufacture of ornamental glass slippers, and the purpose thereof…