...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8087422 | Canopy with ventilation The technology of the present application provides a collapsible canopy shelter having reinforced eaves for additional structural integrity, as well as at least one collapsible ventilation flap in the canopy cover that is capable of moving between a closed position ... | 01/03/2012 |
| 8069870 | Ventilator for venting covers Disclosed is an improved ventilator apparatus for vehicle covers. The apparatus comprises a dome section that is associated with a first ventilator plate on the outside of a vehicle cover. The Dome section extends through the vehicle cover where it is associated wit... | 12/06/2011 |
| 7963295 | Outdoor canopy An outdoor canopy includes a canopy frame, a canopy shelter and a side entrance arrangement. The canopy frame includes a roof frame and a legs frame downwardly extended from the roof frame to form a canopy area. The canopy shelter, which is made of waterproof fabric... | 06/21/2011 |
| 7798162 | Canopy with reinforced eaves The technology of the present application provides a collapsible canopy shelter having reinforced eaves for additional structural integrity, as well as at least one collapsible ventilation flap in the canopy cover that is capable of moving between a closed position ... | 09/21/2010 |
| 7308901 | Canopy cover having a meshed portion A canopy system including a canopy frame and a canopy cover supported by the canopy frame. The canopy cover includes an inner solid portion, an outer solid portion, and a meshed portion disposed between the inner and outer solid portions and disposed proximately to ... | 12/18/2007 |
| 7290378 | Fully enclosed, folding, expandable multi-antechamber for emergencies Compacting, fully enclosed, floored combination multi-antechamber and ramp system for emergency and civil defense use providing, when expanded, means of ingress and egress for the general population including the infected, wounded and handicapped to and from buildin... | 11/06/2007 |
| 7263805 | Low shelter with articulated roof elements for use as a swimming pool roof A low shelter swimming pool roof system is provided. The system can include, over a portion (P′) at least of its length, juxtaposed roof elements (I′) and juxtaposed roof elements (I). The distance that delimits the external chord of each of the longitudinal edg... | 09/04/2007 |
| 7264012 | Supported roof tarp apparatus A supported roof tarp apparatus consisting of lengthwise and crosswise lying poles pinned together via four way connectors and pinning means and held at first ends of the lengthwise lying poles by roofing brackets positioned on a backside of a roof apex and held at ... | 09/04/2007 |
| 7222635 | Tent having an outer skirt and tub floor A tent (10) having a fabric enclosure (16) which including a number of walls (18), a floor (22) having a floor perimeter (4) and a framework (14) which supports the fabric enclosure (16) and urges it to expand outward... | 05/29/2007 |
| 7219681 | Canopy tension adjuster A tent that includes a swivel portion is disclosed. The tent includes a canopy, a plurality of tent frame components and a swivel portion coupled to at least one of the tent frame components and the canopy. The swivel portion pivots between a relaxed position in whi... | 05/22/2007 |
| 7207344 | Two tier canopy system A two-tier canopy system is provided that includes a canopy support structure having a central post and a plurality of radially extending arms. A first canopy covering is supported by the radially extending arms and has a central opening, wherein the central post ex... | 04/24/2007 |
| 7185667 | Tent frame and canopy The present invention provides a tent frame comprised of support frames having a side support and roof support. The spans of the support frames can be adjusted perpendicular to the ridge line without substituting structural members of different length. The tent fram... | 03/06/2007 |
| 7182092 | Tent eve A tent including a fabric enclosure forming a plurality of walls and defining an interior of the tent. A frame is positioned with respect to the fabric enclosure and is configured to support the fabric enclosure. At least one eve portion is coupled to the frame and ... | 02/27/2007 |
| 7146996 | Lightweight shelter A nominally floorless hikers' shelter having a raised, tensioned waterproof canopy supported off the ground by pole supports at the front and rear, in which the canopy has a catenary curved ridgeline tensioned between a higher vertical front support and a lower, out... | 12/12/2006 |
| 7140375 | Cover support device for pole A support device for an associated cover member includes a hub defining a bore adapted to receive a tip of an associated support pole. A shell projects radially outwardly from the hub. The shell defines an outer surface adapted to support an associated cover member.... | 11/28/2006 |
| 7134443 | Lightweight arch-supported shelter A nominally floorless hikers' shelter having a raised, tensioned waterproof canopy supported off the ground by pole supports at the front and rear, in which the canopy has a catenary curved ridgeline tensioned between a higher vertical front arch support and a lower... | 11/14/2006 |
| 7128079 | Waterproof structure of tent floor link The waterproof structure of the present invention comprises a first receptacle 102 which is formed by folding the corner portions of a tent fabric 101 in the inner direction of the tent; a second receptacle 113 which is formed opposite the first... | 10/31/2006 |
| 7073523 | Collapsible panels having multiple frame members Collapsible panels are provided which incorporate two or more separate frame members. The frame members can be positioned at separate locations on the panel, or two or more frame members can be housed in the same frame retaining sleeve. One or more of the panels can... | 07/11/2006 |
| 6997198 | Tent construction and method for manufacturing this tent construction Method for manufacturing a tent construction having at least one panel manufactured from suitable cloth, and tent construction manufactured utilizing the method. A basic panel is manufactured from a material of desired properties and is provided with one or more cov... | 02/14/2006 |
| 6997199 | Tent stake device A tent stake device used in conjunction with a tent having a tent fly and ground surface cover utilizing a ground-penetrating shaft. A first appendage is connected to the shaft and links to the tent itself. A second appendage connected to the shaft supports the edge... | 02/14/2006 |
| 6981914 | Soft top rear side flap vent for utility vehicle A removably insertable rear cabin air vent for installation between the rear side flap and the rear wall of the soft top of an off road or utility vehicle. The vent is inserted and held in place between the rear sidewall flap and the rear of the soft top by any know... | 01/03/2006 |
| 6952844 | Bed-tent A bed-tent provides an enclosure over a mattress. The tent forms a canopy having spaced apart panels and a flexible cover extending between the panels. Each panel includes a hoop of flexible, resilient, strip material and a sheet of flexible fabric in the space with... | 10/11/2005 |
| 6938631 | Ventilator for covers for boats and other vehicles A ventilator for a covering for a boat or other object includes a dome for covering air venting openings. The air vents are provided in a pair of oppositely disposed ventilator plates. The boat or other covering is firmly clamped between the ventilator plates by mea... | 09/06/2005 |
| 6934981 | Combination bassinet, changing table and bedside sleeper A combination bassinet, bedside sleeper and changing table apparatus including a supporting frame having a rocking feature convertible through adjustable locking casters for easy rolling. A fabric member comprised of sidewalls and a skirt is draped over the frame. T... | 08/30/2005 |
| 6782668 | Roof-screen system A roof-screen system for supporting a roof screen on a roof, comprises a plurality of frame elements of round galvanized steel tubing configured as separate frames. The frames have a front element, a bottom element, and a diagonal brace element. A plurality of base ... | 08/31/2004 |
| 6742309 | Decontamination and contaminant processing system and method A personnel decontamination and containment system is disclosed. This system includes a plurality of components positionable on a selected location for establishment of a multi-station decontamination and containment facility to decontaminate personnel and to contai... | 06/01/2004 |
| 6662816 | Canopy vent A covered vent for a tent or canopy consisting of a series of cutouts along the ridge line of a canopy and having a screen fastened to cover the cutouts, a flap fastened to the canopy at one side by stitching and covering the cutouts, and having a series ... | 12/16/2003 |
| 6520195 | Portable shelter and method of assembling the same A portable shelter including a light-weight frame that is collapsible and supports a strong, light-weight covering or skin that is removably secured to the frame is disclosed. The frame may include a base which supports a plurality of articulated arms tha... | 02/18/2003 |
| 6516823 | Playyard canopy A canopy for covering the top of a playyard, the canopy comprising a canopy cover, a canopy support adapted to be coupled to a playyard and configured to support the canopy cover, the canopy support includes a rod connector and four support rods, each sup... | 02/11/2003 |
| 6421963 | Toy igloo device A toy igloo device is disclosed for resting on the ground. The device includes a dome shaped housing which defines an enclosure and an entrance. The housing includes a plurality of selectively interlocking sections with each section of the plurality of se... | 07/23/2002 |
| 6401737 | Umbrella replacement canopy The present invention provides an umbrella with a detachable canopy or vent top. The umbrella includes: a canopy, where the canopy may be detachably coupled to a frame; and a vent top, wherein the vent top may be detachably coupled to the canopy. In the p... | 06/11/2002 |
| 6397869 | Portable camping tent structure with built-in overhead electric fan and power source An electric fan with mounted light (6) mounted overhead within a square dome camping tent (1). The fan/light unit is supported by a series of fiberglass poles (12), and pole footings (10). The fan/light unit is powered by a portable power supply and contr... | 06/04/2002 |
| 6170499 | Parasol with ventilation An improved parasol with an improved ventilation system. The parasol, includes a foldable frame with concentric first and second panels. The radius of the first panel is shorter than the length of the rib of the parasol. The second panel is annular in sha... | 01/09/2001 |
| 6021796 | Tetra tent A lightweight, spacious and collapsible tent having an apex and contacting the ground on three struts, utilizing: three collapsible subframes each containg four struts pivotally connected at one end to a central hub and extending radially outward to a dis... | 02/08/2000 |
| 6006769 | Umbrella structure The umbrella has a frame composed of a plurality of ribs, stretchers and a combined panel consisting of a main panel and a secondary panel, wherein, the area of the main panel is smaller than that of the fully expanded ribs of the frame, and the inner edg... | 12/28/1999 |
| 5836331 | Ventilating device A ventilation device for tents with at least one roof top (8) and a place for an open fire under this roof top, the tent cloth (4) having an upper boundary (12) at a distance below the apex of this roof top, so that an opening (9) for discharging flue gas... | 11/17/1998 |
| 5715854 | Dome-like structure and kit of parts therefor A kit of parts for forming a structure which may be a play structure or a shelter, and which is at least partially of dome-like shape and which can resemble an igloo, comprises a series of side panels of generally trapezoidal shape each with side edges wh... | 02/10/1998 |
| 5365961 | Ventilator for tent A tent is provided with a ventilator opening in one corner thereof. The tent includes a pair of side panels which are secured together along a side seam and a top panel which is secured to the side panels along a top seam. One of the side panels is provid... | 11/22/1994 |
| 5261435 | Shading device A shading device is provided which consists of a rooflike structure and a mechanism for supporting the rooflike structure above the ground, so that the rooflike structure will serve as a shelter, especially for the interception of rays from the sun to dim... | 11/16/1993 |
| 4937969 | Hydroponic system Two pipe-construction houses of a shed-roofed type, facing each other at their ridge sides with a gap provided between the ridges, are coupled with girders to make an integrated construction. The sides are covered with rollable ventilative sheets, and its... | 07/03/1990 |