Patents Assigned to Kothmann Enterprises, Inc.
  • Energy-absorption system
    Patent number: 7111827
    Abstract: To reduce the danger of bodily harm to occupants of vehicles that leave a roadway, a guardrail system includes an energy-absorption system is provided. The energy-absorption system including a cutting mechanism positioned to cut a guardrail section upon impact by a vehicle to decelerate the vehicle.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: September 26, 2006
    Assignee: Kothmann Enterprises, Inc.
    Inventors: Dean L. Sicking, Brian G. Pfeifer
  • Energy - absorption system
    Publication number: 20030025112
    Abstract: To reduce the danger of bodily harm to occupants of vehicles that leave a roadway, a guardrail system includes an energy-absorption system is provided. The energy-absorption system including a cutting mechanism positioned to cut a guardrail section upon impact by a vehicle to decelerate the vehicle.
    Type: Application
    Filed: September 6, 2002
    Publication date: February 6, 2003
    Applicant: Kothmann Enterprises, Inc.
    Inventors: Dean L. Sicking, Brian G. Pfeifer
  • Guardrail terminal
    Patent number: 6505820
    Abstract: To reduce the danger of bodily harm to occupants of vehicles that leave the roadway, a guardrail system includes a guardrail terminal and a guardrail. The guardrail terminal includes cutting members positioned to cut said guardrail as guardrail moves within said guardrail terminal and the guardrail terminal moves with respect to the guardrail to cut the guardrail when impacted by a vehicle.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: January 14, 2003
    Assignee: Kothmann Enterprises, Inc.
    Inventors: Dean L. Sicking, Brian G. Pfeifer