Patents by Inventor Paul Martin Pfitzenmaier

Paul Martin Pfitzenmaier 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: 20240011348
    Abstract: Various systems and methods are provided for controlling access to the insulated glass space of a fenestration unit. A hinge lug is provided including a lug body having a mounting portion, a cam portion defining a curved cam surface, and a retention portion projecting from the cam portion, and a first retention arm extending from the lug body such that the retention arm is elastically deflectable away from the retention lip. A restrictor link is provided including a restrictor link body having a first end and a second end, wherein the restrictor link body is elastically deflectable, a securing lock positioned proximate the second end, and a cap extending from the securing lock, the cap defining an engaging surface operable to engage the lip channel of the sash. A latch system is provided including a latch base with a ramp access aperture and a latch body including a ramp.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Applicant: Pella Corporation
    Inventor: Paul Martin Pfitzenmaier
  • Patent number: 11788343
    Abstract: Various systems and methods are provided for controlling access to the insulated glass space of a fenestration unit. A hinge lug is provided including a lug body having a mounting portion, a cam portion defining a curved cam surface, and a retention portion projecting from the cam portion, and a first retention arm extending from the lug body such that the retention arm is elastically deflectable away from the retention lip. A restrictor link is provided including a restrictor link body having a first end and a second end, wherein the restrictor link body is elastically deflectable, a securing lock positioned proximate the second end, and a cap extending from the securing lock, the cap defining an engaging surface operable to engage the lip channel of the sash. A latch system is provided including a latch base with a ramp access aperture and a latch body including a ramp.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: October 17, 2023
    Assignee: Pella Corporation
    Inventor: Paul Martin Pfitzenmaier
  • Publication number: 20210332636
    Abstract: Various systems and methods are provided for controlling access to the insulated glass space of a fenestration unit. A hinge lug is provided including a lug body having a mounting portion, a cam portion defining a curved cam surface, and a retention portion projecting from the cam portion, and a first retention arm extending from the lug body such that the retention arm is elastically deflectable away from the retention lip. A restrictor link is provided including a restrictor link body having a first end and a second end, wherein the restrictor link body is elastically deflectable, a securing lock positioned proximate the second end, and a cap extending from the securing lock, the cap defining an engaging surface operable to engage the lip channel of the sash. A latch system is provided including a latch base with a ramp access aperture and a latch body including a ramp.
    Type: Application
    Filed: April 23, 2021
    Publication date: October 28, 2021
    Inventor: Paul Martin Pfitzenmaier
  • Patent number: 7066233
    Abstract: A screen assembly for installation in a fenestration product of the type having a window covering with a sliding operator. The screen assembly includes a screen frame having a screen material and is adapted to releasably attach to an interior side of the fenestration product. The screen assembly includes a screen operator slidable relative to the screen frame and releasably engagable with the sliding operator, such that the screen operator is operable from the interior side of the screen assembly.
    Type: Grant
    Filed: December 31, 2004
    Date of Patent: June 27, 2006
    Assignee: Pella Corporation
    Inventors: John Wayne Scharff, Seth Masters, Paul E. Smith, Steven D. Lauritsen, Paul Martin Pfitzenmaier