Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7367162 | System for shoe latching in laterally removable sash A system for supporting a window sash that allows for the removal of the sash from between opposed window jambs. The system supports the window sash through counterbalance shoes supporting sash support arms pivotally attached to the sash. The shoes include hooks whi... | 05/06/2008 |
| 7284502 | Methods and apparatus for a pet door decorative panel system A pet door decorative panel system configured to decoratively cover a pet door frame while enabling ingress and egress. The exemplary pet door decorative panel system comprises a pet door, the object in which the pet door is mounted, a pet door decorative panel, and... | 10/23/2007 |
| 7246466 | Extruded profile system for forming sliding fenestration products A combination of profiles for forming slider and double hung sash windows or patio doors includes a common outer profile and two different inner profiles so that one inner profile can be used to form the double hung and the other to form the slider. This allows the ... | 07/24/2007 |
| 7150126 | Sliding window track system Upper and lower window track strips each define an elongate panel receptacle of generally rectangular configuration for receiving an edge portion of a structural panel in tight fitting serration retained relation therein. The upper and lower window track strips defi... | 12/19/2006 |
| 7033460 | Coke drum bottom throttling valve and system A coke drum bottom de-heading system having an internal shroud enclosure and a shroud end cap opened by a flange to a coke bottom de-heading valve capable of accepting the end of a gate valve upon actuation. Acting in coordination with the shroud enclosure to preven... | 04/25/2006 |
| 7025105 | Sliding screen edge seals A sliding screen edge sealing device for an edge of a sliding screen of flexible material comprises a pair of sealing brushes one on each side of the screen. Each sealing brush comprises brush filaments projecting from a base that is non-pivotally mounted, the arran... | 04/11/2006 |
| 6989081 | Valve system and method for unheading a coke drum The present invention features systems and methods for de-heading a coke drum without having to physically remove the head units. This is accomplished using a de-header valves that may be removably coupled to a coke drum. The de-header valve is equipped with, a valv... | 01/24/2006 |
| 6966158 | Universal window/door frame The invention discloses a universal window/door frame comprised of a group of components that can be used singularly or in combination to form a plurality of window/door types. The components forming the various window and door types are a frame, sash and T-bar of s... | 11/22/2005 |
| 6964727 | Coke drum bottom de-heading system The present invention features a coke drum de-heading system comprising (a) at least one coke drum having an orifice therein; (b) a de-header valve removably coupled to the coke drum designed to de-head the coke drum; and (c) an exchange system, including an upper a... | 11/15/2005 |
| 6948279 | Support system for laterally removable sash A support system for a heavy sash that is laterally removable from between opposed window jambs includes a pair of sash support arms pivotally mounted on each sash stile and counterbalance shoes that engage the support arms to uphold the sash. The support arms, in i... | 09/27/2005 |
| 6904727 | Basement window system Installation of a basement window system by assembling the window system between a pair of novel window forms releasably secured thereto. This assembly is maintained during the erection of the foundation wall into which the window system is incorporated and the erec... | 06/14/2005 |
| 6843889 | Coke drum bottom throttling valve and system A coke drum bottom de-heading system having an internal shroud enclosure and a shroud end cap opened by a flange to a coke bottom de-heading valve capable of accepting the end of a gate valve upon actuation. Acting in coordination with the shroud enclosure to preven... | 01/18/2005 |
| 6660131 | Coke drum bottom de-heading system The present invention features a coke drum de-heading system that provides unique advantages over prior art de-heading systems, namely the de-heading of a coke drum without having to physically remove the head units. This is essentially accomplished using... | 12/09/2003 |
| 6565714 | Coke drum bottom de-heading system The present invention features a coke drum de-heading system comprising (a) at least one coke drum having an orifice therein; (b) a de-header valve removably coupled to the coke drum designed to de-head the coke drum; and (c) an exchange system, including... | 05/20/2003 |
| 6374551 | Moveable structural reinforcement system A moveable structural reinforcement system is described including a moveable panel adapted to substantially close a building opening, the panel including variable shear load resistance means for regulating the shear stiffness of the building when the pane... | 04/23/2002 |
| 6330769 | Sash mount system A frame including a bracket receiver structure and at least one frame-to-sash bracket removably secured to the bracket receiver structure such that the frame-to-sash bracket can be removed or repositioned to enable various sash types to be interchanged wi... | 12/18/2001 |
| 6330765 | Frame for a sliding window having a movable track section for removing the window A skid steer loader cab has window openings in the cab side walls. At least one of the window openings includes a window having a frame and two window panels mounted on the inside of the cab wall. One of the window panels is fixed in position and the othe... | 12/18/2001 |
| 6226923 | Tilt window with deflection-reducing feature A window assembly, comprises a frame and a sash. The frame has a jamb on at least a first side of the frame. The jamb has an inwardly extending flange. The sash is disposed within the frame. The sash has a stile with an outwardly extending flange along at... | 05/08/2001 |
| 6192637 | Moveable structural reinforcement system A moveable structural reinforcement system is described including a moveable panel, a metal frame structure connectable to the frame structure of a building opening, the frame structure including a top support member and lateral supports connected on a fi... | 02/27/2001 |
| 6178697 | Apparatus for mounting a sliding door to a vehicle having a slotted door track and an insert and release hole An apparatus for attaching a vehicle sliding door to a vehicle side wall includes a plate, an arm member and a roller assembly. The plate is attached to the vehicle side wall and has a guide slot and an insert and release hole formed therein. The insert a... | 01/30/2001 |
| 6158173 | Method for mounting and dismounting a sliding van door in a slotted door track A method of mounting and dismounting a sliding door to and from a door track structure having a slot and mounted adjacent a vehicle roof. The door having an arm member having a roller assembly mounted adjacent an end of the arm member. The roller assembly... | 12/12/2000 |
| 6125590 | Window balance biasing device A window balance biasing device including an outer tubular member telescopically receiving an inner tubular member. The inner tubular member and the outer tubular member are movable relative to one another to adjust the axial length of the window balance ... | 10/03/2000 |
| 6094874 | Window mount system An extruded rail adjacent to the glazing in a window has a pair of integrally extruded receivers adapted to attachingly receive predetermined window glazing bead brackets which are each adapted to mate with the receivers. The glazing can be installed from... | 08/01/2000 |
| 6067754 | Basement window An assembled basement window for insertion in a building form into which concrete will be poured around the window. The window will have an outer frame fabricated form pieces cut to length from a common extrusion. A header and jambs will be cut to length ... | 05/30/2000 |
| 6041551 | Door track and roller system A door track and roller system for a mounting a sliding door in a frame that includes, as a lower track for mounting along a lower surface of a sliding door frame, at least one section of a straight channel that has top edges of parallel side walls that a... | 03/28/2000 |
| 5934031 | Jamb liner wind braces for tilt window Wind resistance of a window mounting tilt sash between a pair of jamb liners is increased by braces that attach to frame sides of the jamb liners at the check rail region of the window. The braces have a profile that fits a frame side profile of the jamb ... | 08/10/1999 |
| 5806243 | Sash balance brake assembly A sash balance brake assembly for a sash window system. The sash window system includes a window frame having a pair of generally parallel tracks. Each of the tracks has an outer wall, front and back intermediate walls and front and back inner walls colle... | 09/15/1998 |
| 5675937 | Tilt assist device for tilt windows A tilt window assembly including a window frame having a flexible jamb liner; a sliding sash including a laterally outwardly extending projection; a tilt lock mechanism connecting the sliding sash with jambs in the window frame; and a tilt assist embossme... | 10/14/1997 |
| 5675936 | Removable guide assembly A removable guide assembly for a slidable panel which is retained in and released from a rail track for the panel by a release mechanism composed of a button-activated spring clip. The removable guide is particularly suited for use with a double panel bat... | 10/14/1997 |
| 5615452 | Lift-off guard guide for tilt shoe A guard guide surface for the lift-off slot of a tilt sash shoe is disposed obliquely above the lift-off slot to engage the head of a sash pin rising directly vertically from the slot. This prevents accidental withdrawal of a sash pin from a shoe when the... | 04/01/1997 |
| 5572828 | Pin lock for tilt sash lock shoe A sash pin engaging a locking element of a tilt shoe has a downwardly oriented hook that engages an edge of the locking element when the sash is untilted so that the sash pin cannot be accidentally withdrawn from the shoe. This avoids all the problems tha... | 11/12/1996 |
| 5544450 | Double-hung tilting sash type window system A window having a frame with at least two oppositely disposed side members, a top member, and a bottom member. Operably connected to each frame side member is a jamb liner having a front face and at least one jamb channel. Mounted within the frame is at l... | 08/13/1996 |
| 5448858 | Sash retainer for window assembly A window assembly for selectively enabling a sash to be tilted out of the plane of the frame includes a brake and a sash retainer, the sash retainer having a reciprocally mounted bolt which upon rotation actuates the brake, and a lock which prevents recip... | 09/12/1995 |
| 5386664 | Window security system The window security system is provided for conventional horizontally sliding double slash doors and/or windows. The security system includes a removable and replaceable security member which is mountable upon a top portion of the inner sash to prevent the... | 02/07/1995 |
| 5321911 | Interior storm window An interior storm window in low thermally conductive ABS sash is slideable in ABS tracks sealed around the interior of a window opening and parallel to an extablished window. Flexible vinyl wiper strips on the rails and stiles of the window sash contact t... | 06/21/1994 |
| 5237775 | Sliding mechanism for window constructions A sash window construction comprises an outer frame, at least one sash frame supported for sliding movement relative to the outer frame by locating members on the sash frame engageable with carrier members located in channels formed in the outer frame, co... | 08/24/1993 |
| 5231795 | Lock shoe system for heavy sash A lock shoe system for an especially heavy sash has shoes with lock bolts that can be moved into locking positions by means of a tool that moves a bolt from underneath a shoe so that the bolt interlocks with a lance in the jamb liner. Once the shoes are l... | 08/03/1993 |
| 5189838 | Tilt sash lock shoe system A counterbalance shoe of a tilt sash lock shoe system runs in a resin shoe channel of a jamb liner and locks against a rib extending into the shoe channel so that the rib is backed up by a surface of the shoe. A locking element carried by the shoe is coun... | 03/02/1993 |
| 5159794 | Jamb liner slot cover An integral strip of resin material is used to cover exposed portions of jamb liner slots of take-out windows. Side walls on either side of the slot are displaced by passage of the tubular body. The winged flanges are drawn partly into the slot against ou... | 11/03/1992 |
| 5127192 | Pivot shoe for removable sash A pivot shoe which slides in a track includes a body which receives a cam. The cam is rotated by a sash pivot shaft for engagement of a wall of the track by the shoe for resisting movement along the track when the sash is rotated on the shaft to a positio... | 07/07/1992 |
