Patents by Inventor John P. Coleman

John P. Coleman 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: 20240094120
    Abstract: This invention relates to the preparation of N-(phosphonomethyl)glycine (“glyphosate”) from N-(phosphonomethyl)iminodiacetic acid (“PMIDA”), and more particularly to methods for control of the conversion of PMIDA, for the identification of reaction end points relating to PMIDA conversion and the preparation of glyphosate products having controlled PMIDA content.
    Type: Application
    Filed: September 22, 2023
    Publication date: March 21, 2024
    Inventors: Leonard AYNARDI, David Z. BECHER, Robert E. BYRD, Eduardo Aurelio CASANOVA, James P. COLEMAN, David R. EATON, Walter K. GAVLICK, Eric A. HAUPFEAR, Oliver LERCH, Carl MUMFORD, Alfredo OBA, Stephen D. PROSCH, Peter E. ROGERS, Bart ROOSE, Mark D. SCAIA, Lowell R. SMITH, Donald D. SOLETA, John WAGENKNECHT
  • Patent number: 4756700
    Abstract: A water recreational device wherein provision is made for a board member which supports a person on a body of water so that the person may be towed by a tow line over a water surface. The device includes an elongate balancing and steering control member by which a person using the device can maintain control. The device may include a support board member or an adapter for fastening to the usual ski or surfboard-style support presently on the market. In either instance, the device comprising a latching holding arrangement between the control member and the user support provision, whereby the user of the device can latch the control member at at least one predetermined height relative to a support board.
    Type: Grant
    Filed: April 11, 1987
    Date of Patent: July 12, 1988
    Inventor: John P. Coleman
  • Patent number: 4437238
    Abstract: A hand-held lightweight power tool particularly for severing lead caning used in the making of stained glass work is disclosed. The tool embodies a vibrator which produces rapid angular oscillation of a shaft on its longitudinal axis, the leading end of the shaft carrying a severing blade whose cutting edge is across the axis of the shaft. The amplitude of vibration of the blade can be varied.
    Type: Grant
    Filed: February 24, 1982
    Date of Patent: March 20, 1984
    Inventor: John P. Coleman