In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8141519 | Animal enclosure An animal enclosure is provided which is particularly adapted for cat. The animal enclosure includes a housing having a base, a sidewall extending upwardly from the perimeter of the base, a hollow interior space surrounded by the sidewall, an access opening in the s... | 03/27/2012 |
| 8074606 | Plastic pet door assembly A door section for fitting in a sliding door frame is preferably made of plastic, e.g., PVC. The door section contains a built in pet door. The door section is formed by tubular sides and cross members, and has plastic brackets or fittings that press fit within the ... | 12/13/2011 |
| 7861674 | Pet porch A pet porch for placement in a casement or conventional double-hung window, allowing an indoor pet to access the outdoors safely. The porch has adjustable windows that can be set in a variety of positions for ventilation, yet closed when necessary. Closure can be ef... | 01/04/2011 |
| 7784430 | Plastic pet door assembly A door section for fitting in a sliding door frame is preferably made of plastic, e.g., PVC. The door section contains a built in pet door. The door section is formed by tubular sides and cross members, and has plastic brackets that press fit within the tubular memb... | 08/31/2010 |
| 7765955 | Pet door A pet door unit allowing entry to and egress from a dwelling of an animal includes a pet door provided with a latch. The pet door is mounted for movement to allow passage of an animal when the latch is disabled. The pet door unit includes an animal detector for dete... | 08/03/2010 |
| 7669556 | Pet platform assembly A pet platform assembly configured to securely mount to a window sill may include a base configured to support the weight of a pet, at least one clamp secured to the base, and a support bracket secured to an underside of the base. The clamp is configured to securely... | 03/02/2010 |
| 7640890 | Pet door protection apparatus A pet door protection apparatus for movable placement adjacent to an existing pet door, the collapsible apparatus having a first end and an open second end, the base having an adjustment plate and mechanism for adjusting the height of the interior floor, which is fi... | 01/05/2010 |
| 7530331 | Window-mounted litter enclosure with interior and exterior housing sections An animal enclosure mountable in an access opening such as a window. The enclosure has a section extending to the building interior and an exterior section for containment of a litter box. Sealing member extends on the exterior of the enclosure and is engaged by a s... | 05/12/2009 |
| 7341020 | Animal housing structure and apparatus A housing structure assembly includes a hull and a front wall removably coupled to the hull and configured to simulate a front cover of an air conditioner upon inserting the housing structure assembly into a wall or window opening that is shaped and dimensioned to r... | 03/11/2008 |
| 7322314 | Insulated animal enclosure An insulated animal enclosure configured to be conveniently maintained at a cool and comfortable interior temperature. The insulated animal enclosure includes an inner habitat and an outer housing. The cuter housing includes an opening configured to receive the inne... | 01/29/2008 |
| 7322315 | Pet house A lightweight, collapsible pet house includes a lower frame which supports a raised pet supporting floor and an upper frame cooperable with the lower frame and removable with respect thereto which supports a cover forming the roof and walls over the floor of the pet... | 01/29/2008 |
| 7320295 | Squirrel house with predator protection A squirrel house that can be used for shelter from predators, from cold weather and for providing a den for a breeding pair of squirrels to build a nest for raising a family of young squirrels, having a front wall including a side access hole, a floor having a botto... | 01/22/2008 |
| 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 |
| 7243614 | Modular animal enclosure A modular animal enclosure includes a housing comprising a top portion affixed to a base portion to form a sheltered interior. The housing includes a door aperture and a climate conditioning aperture. A remove ably attachable climate conditioning unit is installed o... | 07/17/2007 |
| 7242297 | Alarm sensor An alarm system sensor (10) monitoring movement of an object (D) and placing the system into alarm when the object moves more than a predetermined distance from a predetermined position. First and second reed switches (16, 18) are located in a predeter... | 07/10/2007 |
| 7195100 | System and method for an escapable multistory building A system and method for allowing escape of many persons from a multistory building over a short period of time. The method and system include strategic placement and use of anchor points and components in conjunction with escape kits or devices so as to allow increa... | 03/27/2007 |
| 7178482 | Pet enclosing system A pet enclosing system includes a door that is positioned in a wall. The door has a pet door positioned therein. Each of a plurality of panels has a first lateral edge and a second lateral edge. The plurality of panels includes a first panel, a second panel and a th... | 02/20/2007 |
| 7152371 | Swing flap for the entry and exit of small pets with last transit direction indicator A swing flap (10) for the entry and exit of small pets, which comprises a frame (812), which can be fixed to an opening (13) made in a door or a wall, equipped at the top with hinged means of constraint for a flap (22), and having a strip... | 12/26/2006 |
| 7150244 | Window adaptable pet door The present invention relates to a pet door suitable for use in a window, and more particularly to a pet door having a substantially planar profile. In at least one embodiment, the pet door includes a frame which is cooperative with stationary side panels. The frame... | 12/19/2006 |
| 7146935 | Animal training method A method for training an animal to proceed through an enclosure begins with the act of providing a generally clear or translucent enclosure having a first end, which serves as an entrance and a second end, which serves as an exit. A trainer encourages the animal to ... | 12/12/2006 |
| 7069877 | Squirrel house A squirrel house that can be used for shelter from predators, from cold weather and for providing a den for a breeding pair of squirrels to build a nest for raising a family of young squirrels, having a front wall including a side access hole, a floor having a botto... | 07/04/2006 |
| 7051679 | Heat efficient animal shelter A pet shelter that is substantially smaller than a single family human residential structure includes an accessway, a platform that is located at a first level above the accessway, and a device configured to assist a pet in moving between the accessway and the platf... | 05/30/2006 |
| 7036869 | Motor vehicle window cage A motor vehicle window cage that fits into and extends through a motor vehicle opening that allows a pet to safely place it's head through the window opening when the motor vehicle is moving or parked. The cage is made up of a mesh-like material with a top mesh surf... | 05/02/2006 |
| 7023399 | Window accoutrement A radio-frequency device holder can include a base support member for the radio-frequency device holder to be positioned on a window sash and panels forming a box-like structure above the support member. The panels can be designed to replicate a window air condition... | 04/04/2006 |
| 7000569 | Automatic cat grooming, feeding, and litterbox apparatus An apparatus for grooming cats which includes a source of food located in an enclosure and a grooming brush assembly forming an adjustable aperture which is mounted between a portal formed in the enclosure and the source of food. ... | 02/21/2006 |
| 6959511 | Lockable pet door A pet door offering ingress or egress through a structural member. A lock mechanism in the pet door allows the pet owner to restrict ingress and/or egress as desired. The pet door features a dual control system that simplifies the setting of the lock. Each control c... | 11/01/2005 |
| 6944990 | Window mounted automatic pet door A window mounted automatic pet door device having a pet-specific identification component whereby only authorized animals are permitted to access the pet door. The device includes an automatically operated interally sliding door to accommodate pet ingress and egress... | 09/20/2005 |
| 6945064 | Self-contained air-conditioned enclosure A Self-Contained Air-Conditioned Enclosure; comprises of an Enclosure (1), connected through plurality of openings (13,14) to air ducts (20,21) of an Air-conditioning Unit (17). The Enclosure has a Roof (5), and sidewalls assembled... | 09/20/2005 |
| 6912974 | Apparatus for mounting a pet shelter to a pet door panel in a sliding glass door assembly An apparatus for mounting a pet shelter to a pet door panel in a sliding glass door assembly. The apparatus has both left and right side posts which sandwich a pet door panel. A retaining frame is attached to either or both posts and is capable of retaining the pet ... | 07/05/2005 |
| 6745788 | Tent with a pet entrance A tent for human or animal habitation with a separate pet entrance which offers pets separate entry and exit to and from the interior of the tent at will. The pet entrance offers freedom of movement therethrough in either direction at the pet's discretion followed b... | 06/08/2004 |
| 6725806 | Insulated pet door A pet door for installation in an opening through a dwelling barrier with a frame having a rectangular portal therethrough in which an insulated movable closure is suspended to swingingly pivot intermediate the top edge and lateral midline of the closure. A resilien... | 04/27/2004 |
| 6722315 | Self-storing wall-mounted pet enclosure The invention is a self-storing pet enclosure intended for use on a mounting wall outside of a pet door or window. In the stowed configuration, the enclosure is substantially flush with the mounting wall, making it well-suited for applications such as a recreational... | 04/20/2004 |
| 6691643 | Animal extraction gate An animal extraction gate which can be fitted in any of multiple vent openings in a foundation wall or siding of an elevated structure to enable exit of an animal or animals from beneath the structure through the animal extraction gate while preventing re... | 02/17/2004 |
| 6691463 | Kennel door apparatus A kennel door apparatus for selectively "opening" and "closing" a kennel door, the kennel door is sized to cover an opening located in a kennel wall between a kennel pen and a common kennel area for selective access thereto. A door opening attachment may ... | 02/17/2004 |
| 6644245 | Automatic pet blanket The invention is a new pet blanket that drapes around an animal in an outdoor kennel. The invention is installed in a pet kennel or animal enclosure. It comprises bundles of fabric that are attached to a platform or attached directly to the ceiling of a k... | 11/11/2003 |
| 6625934 | Method for monitoring environmental conditions in restricted spaces An environmental detection system is particularly suited for elevator hoistways and other locations where access is difficult or restricted. The inventive system comprises a fire rated access cage which is disposed within the hoistway in a desired locatio... | 09/30/2003 |
| 6470829 | Collapsible window enclosure for pets A collapsible pet enclosure that is fashioned to fit in standard windows and has removable material coverings and screen panels on all sides. Domestic animals can use the enclosure to enjoy the out doors with out the owners fearing for their safety or hea... | 10/29/2002 |
| 6453847 | Electro-magnetically controlled pet door An electro-magnetically controlled pet door having a door (1) pivotally mounted in a door aperture (17) of a frame (2) and an electrically controlled catch mechanism normally preventing opening of the door in at least one direction that is released when a... | 09/24/2002 |
| 6427630 | Kit for the construction of a subterranean shelter for animals A kit for converting a cylindrical container into a subterranean animal shelter includes a cradle for supporting and stabilizing the container when placed on its side; a curtained door; and a piece of material, typically netting, large enough to drape the... | 08/06/2002 |
| 6394035 | Pet enclosure with retractable access tunnel A pet enclosure (10) for use with a door (100) equipped with a pet portal (101) wherein the pet enclosure member (10) includes an enclosure member (20) provided with a plurality of panels (21) (22) (23) etc., wherein one of the panels (25) is disposed adj... | 05/28/2002 |