Patents by Inventor William M. Davidson

William M. Davidson 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).

  • Displacement pump mounting and retention
    Patent number: 11927183
    Abstract: A fluid spraying system includes a displacement pump configured to mount to a drive housing. A reciprocating drive is connectable to a pump rod of the displacement pump and includes a connecting rod and a drive link that receives a head of the pump rod. A tightening ring that includes threading is configured to rotate about a cylinder of the pump and shift axially along the cylinder and engage with a bottom side of the drive housing to secure the displacement pump to the drive housing.
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: March 12, 2024
    Assignee: Graco Minnesota Inc.
    Inventors: David J. Thompson, Christopher A. Lins, Andrew J. Kopel, Glen W. Davidson, Chad R. Taszarek, Chris W. Sydow, William M. Blenkush, Steve J. Wrobel
  • Displacement pump mounting and retention
    Patent number: 11927184
    Abstract: A displacement pump is configured to mount to a drive housing. A reciprocating drive is connectable to a pump rod of the displacement pump and includes a connecting rod and a drive link that receives a head of the pump rod. A flange projects from a pump body of the pump and a ring projects from the pump body of the pump. A portion of the drive housing is received in a gap between the flange and the ring.
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: March 12, 2024
    Assignee: Graco Minnesota Inc.
    Inventors: David J. Thompson, Christopher A. Lins, Andrew J. Kopel, Glen W. Davidson, Chad R. Taszarek, Chris W. Sydow, William M. Blenkush, Steve J. Wrobel
  • Foot wrap with inflatable bladder
    Patent number: 11357694
    Abstract: A foot wrap (10) has a generally non-stretchable, flexible binding (11), a generally stretchable panel (12) coupled to the binding, an expandable, rotatable bladder (14), and a support pad (16) coupled to the binding opposite the bladder (14). The binding has a central portion (19) straddled by a first wing (21), a second wing (22), and an elastic heel band (23). The bladder measures approximately 3 inches by 3 inches and is designed to increase in height approximately 1½ to 1¾ inches with its inflation.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: June 14, 2022
    Inventors: Mary H Frank, William M. Davidson, Shane C. Bruce
  • FOOT WRAP WITH INFLATABLE BLADDER
    Publication number: 20170333281
    Abstract: A foot wrap (10) has a generally non-stretchable, flexible binding (11), a generally stretchable panel (12) coupled to the binding, an expandable, rotatable bladder (14), and a support pad (16) coupled to the binding opposite the bladder (14). The binding has a central portion (19) straddled by a first wing (21), a second wing (22), and an elastic heel band (23). The bladder measures approximately 3 inches by 3 inches and is designed to increase in height approximately 1½ to 1¾ inches with its inflation.
    Type: Application
    Filed: May 3, 2017
    Publication date: November 23, 2017
    Inventors: Mary H. Frank, William M. Davidson, Shane C. Bruce
  • FOOT WRAP WITH INFLATABLE BLADDER
    Publication number: 20100042028
    Abstract: A foot wrap (10) is disclosed having a generally non-stretchable, flexible binding (11), a generally stretchable panel (12) coupled to the binding, an expandable, rotatable bladder (14), and a support pad (16) coupled to the binding opposite the bladder (14). The binding has a central portion (19) straddled by a first wing (21), a second wing (22), and an elastic heel band (23). The bladder measures approximately 3 inches by 3 inches and is designed to increase in height approximately 1½ to 1¾ inches with its inflation.
    Type: Application
    Filed: August 14, 2008
    Publication date: February 18, 2010
    Applicant: ALBAHEALTH, LLC
    Inventors: Mary H. Frank, William M. Davidson, Shane C. Bruce
  • Buoyant instrument case and holder
    Patent number: 4201090
    Abstract: A device for mounting, displaying and protecting instruments, such as timers, comprised of a water-tight, buoyant case that can be optionally worn on the person or mounted pivotably in a bracket or holder for remote display. Provision is made for manual operation of enclosed instrument without penetration of seals.
    Type: Grant
    Filed: September 7, 1978
    Date of Patent: May 6, 1980
    Inventor: William M. Davidson