Patents by Inventor Dennis Crabtree

Dennis Crabtree 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).

  • Publication number: 20230242461
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Application
    Filed: March 28, 2023
    Publication date: August 3, 2023
    Inventors: Bill Love, Dennis Crabtree, John Martin
  • Patent number: 11639317
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: May 2, 2023
    Assignee: HYOF, LP
    Inventors: Bill Love, Dennis Crabtree, John Martin
  • Patent number: 11639318
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: May 2, 2023
    Assignee: HYOF, LP
    Inventors: Bill Love, Dennis Crabtree, John Martin
  • Publication number: 20210101845
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Application
    Filed: December 17, 2020
    Publication date: April 8, 2021
    Inventors: Bill Love, Dennis Crabtree, John Martin
  • Publication number: 20210094888
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Application
    Filed: December 8, 2020
    Publication date: April 1, 2021
    Inventors: Bill Love, Dennis Crabtree, John Martin
  • Patent number: 10889528
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: January 12, 2021
    Assignees: Development & Planning Consultants, L.L.C.
    Inventors: Bill Love, Dennis Crabtree, John Martin
  • Publication number: 20130283872
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a Nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Application
    Filed: March 8, 2013
    Publication date: October 31, 2013
    Inventors: Thomas Karl Bisson, Dennis Crabtree, Sam S. Jeppson, Bill Love, John Martin, Mark M. Simon
  • Publication number: 20130019645
    Abstract: A fertilizer derived from an organic source and a method of making are provided. The fertilizer of the present invention advantageously has a Nitrogen content greater than 4%. The method of making the fertilizer also produces potable water.
    Type: Application
    Filed: July 23, 2012
    Publication date: January 24, 2013
    Applicant: BioStar Systems
    Inventors: Dennis Crabtree, Bill Love, John Martin
  • Publication number: 20060102749
    Abstract: A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemical. Improved pressure regulating features include a double acting baffle and preferably a relief valve. Method and apparatus for automatically metering an additive such as foam concentrate into a conduit having a variably flowing fire fighting fluid therethrough, the conduit including a discharge device, proximate or downstream.
    Type: Application
    Filed: December 2, 2005
    Publication date: May 18, 2006
    Inventors: Dennis Crabtree, Duane Brinkerhoff, Dwight Williams
  • Publication number: 20060090907
    Abstract: An industrial scale fire fighting nozzle and method, the nozzle having a selectively adjustable discharge gap and providing for gap coordinated, independently selectable additive proportioning ratio selection, the method including discharging fire fighting fluid at a selectively adjustable flow rate with an independently selectable, gap coordinated adjustable additive proportioning ratio, and use of reinforced high temperature polymer for at least a barrel element or a bafflehead element component.
    Type: Application
    Filed: November 4, 2004
    Publication date: May 4, 2006
    Inventors: Dennis Crabtree, Thomas Mason, Kirk Barnes
  • Patent number: 5960887
    Abstract: An improved additive eductor for supplying additives, including foam concentrates and thixotropic foam concentrates, into a hand line or waterline for supplying a nozzle used for fire fighting operations wherein the additive eductor can be operated in either eductive or non-eductive by-pass mode and further comprising in a prefered embodiment a back-flow preventative metering valve attached to a additive port.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: October 5, 1999
    Assignee: Williams Fire & Hazard Control, Inc.
    Inventor: Dennis Crabtree
  • Patent number: 5816328
    Abstract: An additive supply system for fire fighting mechanisms such as a fire fighting truck including an additive supply line system having a pump and a recirculation line, a balanced pressure valve metering flow in the recirculation line and in communication with the measure of additive line pressure and fire fighting fluid line pressure, and additive pump control apparatus connected to the additive pump and in communication with the measure of the degree of openness of the balanced pressure valve.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: October 6, 1998
    Assignee: Williams Fire & Hazard Control, Inc.
    Inventors: Thomas E. Mason, Dennis Crabtree, Kenneth Baker