Patents by Inventor Joseph C. Dangrow

Joseph C. Dangrow 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: 11933106
    Abstract: A ladder having a foot having a plastic body with a recess which receives the end of a first rail and is positioned about and conforms to the web and the first and second flanges of the first rail. The foot has a plastic base having a top side from which the body extends. The base has a front edge. The foot has a metal rail fastener which extends through the body and the rail to attach the body and the rail together. The foot has a pad having a rigid plate with a rubber outer layer surrounding the rigid plate and a pad fastener hole that extends entirely through the rigid plate and rubber outer layer, the outer layer of the pad having a bottom with treads. The foot has a metal pad fastener that extends entirely through the pad and entirely through the base to attach the pad to the base so the rigid plate is between the treads and the base of the shell. A ladder foot. A method.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: March 19, 2024
    Assignee: WERNER CO.
    Inventors: Robert D. Beggs, Thomas W. Parker, Steven R. Dings, Joseph C. Dangrow
  • Patent number: 11536087
    Abstract: The present invention pertains to a stepladder. The stepladder includes a ladder top having a surface having a front side and a rear side and a left side and a right side and a front side flange and a rear side flange and a left side flange and a right side flange. The stepladder includes a conduit holder slot for holding tubing, pipe and conduit. The conduit holder slot extends along the length of the surface and in the surface's right side and the left side. The conduit holder slot has a cross-section in the ladder top which is non-symmetrical. The stepladder includes a front section. The stepladder includes a rear section. A method for cutting a tube.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: December 27, 2022
    Assignee: Werner Co.
    Inventors: Robert C. Tiber, Joseph C. Dangrow, Tracee A. Leonardson
  • Patent number: 11473318
    Abstract: A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: October 18, 2022
    Assignee: Werner Co.
    Inventors: Steve Woodward, Joseph C. Dangrow, Michael A. Somerfield
  • Patent number: 10760337
    Abstract: A leveler for a ladder having side rails and a rung comprises a metal housing fixed to one of the side rails. The housing has an opening. The leveler comprises a metal leg with slides in the housing and is adjustable in the housing. The leg has a top end and a bottom end. The leg has two rows of holes which are set side by side and extend through the leg. The leveler comprises a holder for holding a leg to the housing. The holder extending through the opening and one of the holes to hold a leg in place. The leveler comprises a cap disposed on the top end which acts as a stop for the leg when the cap contacts the housing. A method for setting a ladder in place.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: September 1, 2020
    Assignee: Werner Co.
    Inventors: Joseph C. Dangrow, James J. Grebinoski, David A. Winslow
  • Publication number: 20200232280
    Abstract: A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a V so a corner can fit into the V when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 23, 2020
    Applicant: Werner Co.
    Inventors: Daniel C. Mora, Robert D. Beggs, Tek Lentine, Joseph C. Dangrow, Adam C. Field, Brent Sedlacek
  • Publication number: 20200208470
    Abstract: A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a first rectangular slot and a second rectangular slot extending from the first rectangular slot so an external corner can fit into the first rectangular slot when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 2, 2020
    Applicant: Werner Co.
    Inventors: Thomas W. Parker, Daniel C. Mora, Robert D. Beggs, Tek Lentine, Joseph C. Dangrow, Adam C. Field, Brent Sedlacek
  • Patent number: 10612305
    Abstract: A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a V so a corner can fit into the V when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: April 7, 2020
    Assignee: Werner Co.
    Inventors: Daniel C. Mora, Robert D. Beggs, Tek Lentine, Joseph C. Dangrow, Adam C. Fields, Brent Sedlacek
  • Publication number: 20200102760
    Abstract: A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Applicant: Werner Co.
    Inventors: Steve Woodward, Joseph C. Dangrow, Michael A. Somerfield
  • Patent number: 10590703
    Abstract: A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a first rectangular slot and a second rectangular slot extending from the first rectangular slot so an external corner can fit into the first rectangular slot when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: March 17, 2020
    Assignee: Werner Co.
    Inventors: Thomas W. Parker, Daniel C. Mora, Robert D. Beggs, Tek Lentine, Joseph C. Dangrow, Adam C Field, Brent Sedlacek
  • Publication number: 20200056427
    Abstract: The present invention pertains to a stepladder. The stepladder includes a ladder top having a surface having a front side and a rear side and a left side and a right side and a front side flange and a rear side flange and a left side flange and a right side flange. The stepladder includes a conduit holder slot for holding tubing, pipe and conduit. The conduit holder slot extends along the length of the surface and in the surface's right side and the left side. The conduit holder slot has a cross-section in the ladder top which is non-symmetrical. The stepladder includes a front section. The stepladder includes a rear section. A method for cutting a tube.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Applicant: Werner Co.
    Inventors: Robert C. Tiber, Joseph C. Dangrow, Tracee A. Leonardson
  • Patent number: 10494824
    Abstract: A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: December 3, 2019
    Assignee: Werner Co.
    Inventors: Steve Woodward, Joseph C. Dangrow, Michael A. Somerfield
  • Patent number: 10458183
    Abstract: The present invention pertains to a stepladder. The stepladder includes a ladder top having a plane having a front side and a rear side and a left side and a right side and a front side flange and a rear side flange and a left side flange and a right side flange. The stepladder includes a conduit holder slot for holding tubing, pipe and conduit. The conduit holder slot extends along the entire length of the top and in the right side and the left side. The conduit holder slot has a cross-section in the ladder top which is non-symmetrical. The stepladder includes a front section. The stepladder includes a rear section. A method for cutting a tube.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: October 29, 2019
    Assignee: Werner Co.
    Inventors: Robert C. Tiber, Joseph C. Dangrow, Tracee A. Leonardson
  • Publication number: 20190226279
    Abstract: A ladder having a foot having a plastic body with a recess which receives the end of a first rail and is positioned about and conforms to the web and the first and second flanges of the first rail. The foot has a plastic base having a top side from which the body extends. The base has a front edge. The foot has a metal rail fastener which extends through the body and the rail to attach the body and the rail together. The foot has a pad having a rigid plate with a rubber outer layer surrounding the rigid plate and a pad fastener hole that extends entirely through the rigid plate and rubber outer layer, the outer layer of the pad having a bottom with treads. The foot has a metal pad fastener that extends entirely through the pad and entirely through the base to attach the pad to the base so the rigid plate is between the treads and the base of the shell. A ladder foot. A method.
    Type: Application
    Filed: January 23, 2018
    Publication date: July 25, 2019
    Applicant: Werner Co.
    Inventors: Robert D. Beggs, Thomas W. Parker, Steven R. Dings, Joseph C. Dangrow
  • Publication number: 20190119932
    Abstract: A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.
    Type: Application
    Filed: November 20, 2018
    Publication date: April 25, 2019
    Applicant: Werner Co.
    Inventors: Steve Woodward, Joseph C. Dangrow, Michael A. Somerfield
  • Patent number: 10145128
    Abstract: A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: December 4, 2018
    Assignee: Werner Co.
    Inventors: Steve Woodward, Joseph C. Dangrow, Michael A. Somerfield
  • Publication number: 20180187489
    Abstract: A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a first rectangular slot and a second rectangular slot extending from the first rectangular slot so an external corner can fit into the first rectangular slot when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.
    Type: Application
    Filed: November 3, 2017
    Publication date: July 5, 2018
    Applicant: Werner Co.
    Inventors: Thomas W. Parker, Daniel C. Mora, Robert D. Beggs, Tek Lentine, Joseph C. Dangrow, Adam C. Fields, Brent Sedlacek
  • Publication number: 20180187488
    Abstract: A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a V so a corner can fit into the V when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.
    Type: Application
    Filed: December 30, 2016
    Publication date: July 5, 2018
    Inventors: Daniel C. Mora, Robert D. Beggs, Tek Lentine, Joseph C Dangrow, Adam C. Fields, Brent Sedlacek
  • Publication number: 20180171648
    Abstract: A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.
    Type: Application
    Filed: December 16, 2016
    Publication date: June 21, 2018
    Inventors: Steve Woodward, Joseph C. Dangrow, Michael A. Somerfield
  • Publication number: 20160369562
    Abstract: The present invention pertains to a stepladder. The stepladder includes a ladder top having a plane having a front side and a rear side and a left side and a right side and a front side flange and a rear side flange and a left side flange and a right side flange. The stepladder includes a conduit holder slot for holding tubing, pipe and conduit. The conduit holder slot extends along the entire length of the top and in the right side and the left side. The conduit holder slot has a cross-section in the ladder top which is non-symmetrical. The stepladder includes a front section. The stepladder includes a rear section. A method for cutting a tube.
    Type: Application
    Filed: September 2, 2016
    Publication date: December 22, 2016
    Applicant: Werner Co.
    Inventors: Robert C. Tiber, Joseph C. Dangrow, Tracee A. Leonardson
  • Patent number: D835807
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: December 11, 2018
    Inventors: Tek Lentine, Joseph C. Dangrow, Daniel C. Mora, Robert D. Beggs, Adam C. Fields, Brent Sedlacek