1
Mary B Dallmann, Guy C Stormo: Tilt lock for double-hung windows. Truth Hardware Corporation, Wood Phillips VanSanten Hoffman & Ertel, April 12, 1994: US05301989 (81 worldwide citation)

A latch for selectively connecting a sash of a double-hung window to a slide track in a window frame, including a lever including a gear at one end, a latch housing mountable to the sash, the housing including means for pivotally supporting the lever, and a locking member movable between a locked po ...


2
William J Bestler, Marcia K Blom, Clark A Velzke: Multipoint lock for sliding patio door. Truth Hardware Corporation, Wood Phillips VanSanten Clark & Mortimer, May 25, 1999: US05906403 (49 worldwide citation)

A multipoint lock for securing a door to a door frame includes a tie bar longitudinally movable on the door with two latch members adjustably secured laterally relative thereto. The latch members are modular with hooks for selectively securing to the tie bar and other latch members. A metal face pla ...


3
Cynthia L Sheldon, Stephen O Myers, Robbin J Delaske, Joseph P Landherr: Lock and tilt latch for sliding windows. Truth Hardware Corporation, Wood Phillips VanSanten Clark & Mortimer, November 30, 1999: US05992907 (48 worldwide citation)

A position control mechanism for a double/single-hung window, including retractable plungers mountable on opposite sides of a window sash and received in a track on the frame to support the window sash for movement. An elongated member is secured at opposite ends to the plungers. A tilt latch actuat ...


4
Donald A Becken: Multi-point lock. Truth Hardware Corporation, Lorusso Loud & Kelly, February 10, 2004: US06688656 (47 worldwide citation)

A multi-point lock and method for locking with two remote mortise locks operated by a central actuator to which they are mechanically linked. The mortise locks are mounted with opposite orientation so that they simultaneously engage separate keepers from opposite directions. A housing of the multi-p ...


5
Anthony J Rotondi: Pick resistant sash lock. Truth Hardware Corporation, Lorusso & Loud, November 7, 2000: US06142541 (40 worldwide citation)

A check rail lock securable to the top rail of one window sash of a double hung window, including a housing, a cam pivotable about a first axis within the housing between an open position and a locking position, a pin extending from the bottom of the cam, and a guard member disposed substantially be ...


6
Donald A Becken: Multipoint lock system. Truth Hardware Corporation, Patterson Thuente Skaar & Christensen P A, December 6, 2005: US06971686 (34 worldwide citation)

A multipoint lock system for use with the active and inactive doors of two-door sets, which provides an operator with the ability to lock or unlock a plurality of locking points both manually and automatically, and features a blocking mechanism to prevent unwanted locking. The system comprises a pai ...


7
Robbin J Delaske, Stephen O Myers, Joseph P Landherr: Double-hung window locking system. Truth Hardware Corporation, Wood Phillips VanSanten Clark & Mortimer, May 11, 1999: US05901499 (33 worldwide citation)

A locking assembly for a double-hung window assembly having a pair of vertical jamb liners, including a shoe slidable in a channel in one liner and operably connected to a sash for sliding movement therewith. A first locking member is rotatably connected to the first shoe, and manually operable mean ...


8
Stephen M Piltingsrud: Pick-resistant lock actuator. Truth Hardware Corporation, Wood Phillips VanSanten Clark & Mortimer, November 24, 1998: US05839767 (32 worldwide citation)

An actuator for a window lock including a housing mountable to a window frame and defining an opening between opposite sides, one of the sides having a recessed portion therein. A handle is pivotable about an axis within the housing opening and has a central opening with sloped cam surfaces therearo ...


9
Warren F Brannan: Sash lock with hidden mounting screws. Truth Hardware Corporation, Lorusso Loud & Kelly, October 21, 2003: US06634683 (31 worldwide citation)

The invention pertains to a window sash lock comprising a handle, a latch, a base and a base cover that fits over at least a substantial portion of the base and completely covers the base fasteners, while not interfering with the handle and latch. The base cover is typically a molded plastic design ...


10
Douglas G Johnson, Timothy T Frenzen, Joseph P Landherr: Pick resistant window lock manual control. Truth Hardware Corporation, Wood Phillips VanSanten Clark & Mortimer, July 14, 1998: US05778602 (28 worldwide citation)

A lockable window, and a manual control for a lockable window. The window includes a window sash having a first locking member and a window frame having a second locking member mounted thereon for movement between a locked position cooperating with the first locking member for locking the sash to th ...