Patents by Inventor John Harp

John Harp 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).

  • Microbial cleaning compositions
    Patent number: 12649893
    Abstract: The invention provides an aqueous microbial cleaning composition having excellent storage and germination properties, comprising bacterial spores and alkyl polyglucosides or sodium lauryl ether sulfates.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: June 9, 2026
    Assignee: Novozymes A/S
    Inventors: Kenneth Edmund Kellar, Hilary Cheeseman, John Harp
  • Microbial Cleaning Compositions
    Publication number: 20230220307
    Abstract: The invention provides an aqueous microbial cleaning composition having excellent storage and germination properties, comprising bacterial spores and alkyl polyglucosides or sodium lauryl ether sulfates.
    Type: Application
    Filed: June 1, 2021
    Publication date: July 13, 2023
    Applicant: Novozymes A/S
    Inventors: Kenneth Edmund Kellar, Hilary Cheeseman, John Harp
  • Quantitative sterile field analysis system
    Patent number: 10428365
    Abstract: The present invention relates generally to a system for estimating the time related contamination of the sterile filed during surgical procedures. More specifically, the present invention employs the use of multiple settle plates on settle plate holders with a protective covers to hold the settle plate to prevent direct contact between the settle plate and surgical equipment.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: October 1, 2019
    Inventor: John Harp
  • Filter presses
    Patent number: 3951808
    Abstract: A filter press having at least one movable bar extending lengthwise of the press, means for imparting constant length reciprocating movements to the or each bar, a plurality of pawls spaced apart at intervals along the or each bar, the trays having projecting pins for engagement by the pawls, and a block having a flat bottom fitted pivotally on each pin and adapted to engage slidingly with a fixed side or overhead bar as the tray moves along the press.
    Type: Grant
    Filed: June 5, 1974
    Date of Patent: April 20, 1976
    Assignee: Edwards & Jones Limited
    Inventor: John Harp