Patents by Inventor Robert A. Fletscher

Robert A. Fletscher 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: 5317831
    Abstract: A termite protection system (10) for a wooden foundation structure (12) is disclosed having a plurality of perimeter pipe sections (34) which include integral nozzles orifices (66), and a plurality of interior pipes (38) with non-integral nozzles (44), for distributing a delivering termite control fluids. The pipes (34) and (38) each have a plurality of male ends (50) which can be permanently inserted into a female end (48) of another pipe (34) or (38) or accessory fittings such as "T" fittings (40) and elbow fittings (32). Longitudinal ridges (56) and (58) within each of the male ends (50) fit into receiver grooves (62) in each of the female ends (48) as an aid to orientation of the (34) and (38) and other components. The female ends (48) have interior locking teeth (64) for locking into ridge indentations (60) on the male sections (50) such that components snap together and cannot be easily disassembled.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: June 7, 1994
    Inventor: Robert A. Fletscher
  • Patent number: 5184418
    Abstract: A termite protection system (10) for a wooden foundation structure (12) is disclosed having a plurality of perimeter pipe sections (34) which include integral nozzles orifices (66), and a plurality of interior pipes (38) with non-integral nozzles (44), for distributing a delivering termite control fluids. The pipes (34) and (38) each have a plurality of male ends (50) which can be permanently inserted into a female end (48) of another pipe (34) or (38) or accessory fittings such as "T" fittings (40) and elbow fittings (32). Longitudinal ridges (56) and (58) within each of the male ends (50) fit into receiver grooves (62) in each of the female ends (48) as an aid to orientation of the (34) and (38) and other components. The female ends (48) have interior locking teeth (64) for locking into ridge indentations (60) on the male sections (50) such that components snap together and cannot be easily disassembled.
    Type: Grant
    Filed: March 19, 1991
    Date of Patent: February 9, 1993
    Inventor: Robert A. Fletscher