Patents by Inventor Thomas Crisofulli

Thomas Crisofulli 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: 5775593
    Abstract: An automatic lawn treatment dispensing unit (10) for a main water supply assembly (12) comprising a container (14) for holding a liquefied substance, such as a fertilizer or pesticide therein. A structure (16) is for coupling a lower end of the container (14) into the main water supply assembly (12). A facility (18) is provided for filling the liquefied substance into the container (14) through an upper end thereof. An assemblage (20) is for siphoning the liquefied substance out of the container (14), through the coupling structure (16) and into the main water supply assembly (12) to be dispersed onto a lawn (22).
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: July 7, 1998
    Inventors: Virgil A. Delorme, Thomas Crisofulli, Madelyn Joy Warner
  • Patent number: 5728648
    Abstract: The present invention relates to an improved fertilizing composition of the type containing nitrogen, phosphorus and potassium, with the improvement being the addition of 1-methyl-4-(1-methylethenyl)cyclohexene (i.e., limonene) as an insecticide and fungicide.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: March 17, 1998
    Inventors: Virgil A. Delorme, Thomas Crisofulli, Madelyn Joy Warner
  • Patent number: 5699827
    Abstract: A lawn treatment apparatus (10) for an underground sprinkler system (12) on a lawn (14). The system (12) is fabricated out of a durable plastic material (15) and includes an inlet pipe (16) with a water control valve (18) connected to an outlet pipe (20) with an anti-siphon valve assembly (22), having an anti-siphon valve housing (24) with an externally threaded mouth (26) and an internally threaded anti-siphon valve cap (28) carrying an anti-siphon valve (30). The apparatus (10) comprises a body member (32) having an open bottom end (34) and an open top end (36). A structure (38) is for securing the open bottom end (34) of the body member (32) to the externally threaded mouth (26) on the anti-siphon valve housing (24).
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: December 23, 1997
    Inventors: Virgil A. Delorme, Thomas Crisofulli, Madelyn Joy Warner