Patents by Inventor William L. Bartlett

William L. Bartlett 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: 11912545
    Abstract: A wireless hoist system including a first hoist device having a first motor and a first wireless transceiver and a second hoist device having a second motor and a second wireless transceiver. The wireless hoist system includes a controller in wireless communication with the first wireless transceiver and the second wireless. The controller is configured to receive a user input and determine a first operation parameter and a second operation parameter based on the user input. The controller is also configured to provide, wirelessly, a first control signal indicative of the first operation parameter to the first hoist device and provide, wirelessly, a second control signal indicative of the second operation parameter to the second hoist device. The first hoist device operates based on the first control signal and the second hoist device operates based on the second control signal.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: February 27, 2024
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Matthew Post, Gareth Mueckl, Matthew N. Thurin, Joshua D. Widder, Timothy J. Bartlett, Patrick D. Gallagher, Jarrod P. Kotes, Karly M. Schober, Kenneth W. Wolf, Terry L. Timmons, Mallory L. Marksteiner, Jonathan L. Lambert, Ryan A. Spiering, Jeremy R. Ebner, Benjamin A. Smith, James Wekwert, Brandon L. Yahr, Troy C. Thorson, Connor P. Sprague, John E. Koller, Evan M. Glanzer, John S. Scott, William F. Chapman, III, Timothy R. Obermann
  • Patent number: 5472091
    Abstract: A storage container holding photographs and/or negatives in segregated chambers in which a central polypropylene frame is wrapped with a resin coated non-acid paperboard membrane. The membrane is spaced away from the frame by a variety of projections so as to form the chambers. The central frame is rigid and dimensionally consistent to allow stacking of the containers even though the paperboard membrane is flexible and forms 3 exterior walls of the container.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: December 5, 1995
    Assignee: Endeavour IV, Inc.
    Inventors: Richard E. Hewitt, John K. Clay, William L. Bartlett
  • Patent number: 5039097
    Abstract: A snap-on weight for varying the weight or balance, particularly in the head of a tennis racket to increase power and control. The weight is secured with a weight holder or clip to the frame of the racket. In one embodiment the holder has a socket for receiving the interchangeable weights. The weight is held in the racket by clips formed on the holder engaging adjacent strings or by being clipped on the frame between adjacent strings.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: August 13, 1991
    Inventor: William L. Bartlett
  • Patent number: 4782552
    Abstract: There is disclosed herein an upright vacuum cleaner comprising a main body having a suction opening, and a handle body pivotally attached to the main body. A relatively simple cam, which may be made from sheet metal in the form of a box, is disposed in the main body and pivoted with respect thereto. The cam is engaged by a cam actuator of the handle body when the handle body is moved to its upright vertical position to cause the cam to pivot in a manner to raise the suction opening of the main body from the rug or carpet.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: November 8, 1988
    Assignee: Riccar America Company
    Inventors: William L. Bartlett, David A. Weir
  • Patent number: 4657193
    Abstract: A food processor for cutting, comminuting and blending various culinary ingredients includes a drive unit which is expressly designed for installation on the underside of kitchen cabinets and at least one food receiving container having a rotating cutter assembly disposed therein. The rotating cutter assembly includes a pair of blades slidably mounted upon a shaft which food in opposite directions to improve the uniformity of cutting and blending. The food container is slidably received in the drive unit and a connection and release mechanism therein automatically interconnects the cutter assembly with an output drive member in the drive unit when the food container is fully seated therein. A release mechanism may be manually activated to disconnect the drive member prior to the removal of the food container from the drive unit.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: April 14, 1987
    Assignee: Rival Manufacturing Company
    Inventors: Stephen L. Whittenburg, David S. Morris, Albert V. Edmonds, John McGaw, David D. McCormick, William L. Bartlett, Edward Cruz, David Harding
  • Patent number: D292364
    Type: Grant
    Filed: March 22, 1985
    Date of Patent: October 20, 1987
    Assignee: Rival Manufacturing Company
    Inventors: William L. Bartlett, Edward Cruz, David Harding
  • Patent number: D306064
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: February 13, 1990
    Assignee: Zephyr Convection Cooking Systems Co.
    Inventors: William L. Bartlett, David A. Weir
  • Patent number: D361789
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: August 29, 1995
    Assignee: Endeavour IV, Inc.
    Inventors: Richard E. Hewitt, John K. Clay, William L. Bartlett