Patents by Inventor David Kidwell

David Kidwell 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).

  • Hunting projectile for channeling blood out of wild game
    Publication number: 20070225093
    Abstract: The present invention is directed toward a hunting projectile for quickly and efficiently channeling blood flow from wild game for a quicker kill. The present invention provides a series of strategically placed and shaped perforations in the hollow shaft of a projectile to enable a quicker and more humane death of wild game without affecting the flight of the projectile.
    Type: Application
    Filed: March 23, 2006
    Publication date: September 27, 2007
    Inventor: David Kidwell
  • Multiparameter system for environmental monitoring
    Publication number: 20060081471
    Abstract: A miniature, lightweight, inexpensive, environmental monitoring system containing a number of sensors that can simultaneously and continuously monitor fluorescence, absorbance, conductivity, temperature, and several ions. Sensors that monitor similar parameters can cross-check data to increase the likelihood that a problem with the water will be discovered.
    Type: Application
    Filed: December 3, 2004
    Publication date: April 20, 2006
    Inventor: David Kidwell
  • Method for detecting amine-containing drugs in body fluids by sims
    Patent number: 4902627
    Abstract: A method of analyzing a sample for selected molecules which consists of reacting the molecule with a reagent that produces a charged derivative which can be desorbed and analyzed using Secondary Ion Mass Spectrometry (SIMS).
    Type: Grant
    Filed: February 5, 1985
    Date of Patent: February 20, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: David Kidwell