Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7992582 | Umbrella and umbrella canopy An umbrella having a central shaft, a spindle slidably disposed on the shaft, a first plurality of radially extending ribs hingedly attached to the shaft, a second plurality of radially extending ribs secured at first ends thereof to the spindle and secured at secon... | 08/09/2011 |
| 7448399 | Umbrella An umbrella includes an umbrella support, a plurality of umbrella ribs that are installed on an upper portion of the umbrella support and that are capable of being folded, a plurality of support ribs respectively supporting the umbrella ribs, a slider to which an en... | 11/11/2008 |
| 7415986 | Reinforced structure for collapsible and wind resistible umbrella Disclosed herein is a reinforced structure for collapsible and wind resistible umbrella comprising a telescoping backbone, an upper and a lower nests, a plurality of multi-sectionalized main umbrella ribs and auxiliary ribs, a first and a second umbrella covers, and... | 08/26/2008 |
| 7401618 | Umbrella with a vented canopy deployable and retractible to a dihedral shape with a positively moved canopy and vent cover An umbrella assembly providing a dihedral shelter atop a pole which can be deployed to different dihedral angles and retracted to a compact configuration. It further includes a vent port in a cavity which is overhung by a positively positioned vent port cover. ... | 07/22/2008 |
| 7334591 | Slotted umbrella structure for attenuating the force of the wind when the umbrella is open The structure of the umbrella comprises improved ribs for engaging with the strip portions of the cover. Each rib includes a metal structural shape or component (32) and a plurality of saw-tooth components (34) engaged with said structural shape/compon... | 02/26/2008 |
| 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 |
| 7267852 | Collapsible artificial Christmas tree A collapsible artificial Christmas tree that opens and retracts like an umbrella has an elongate trunk with a branch hinge connected to a trunk. A tree branch is rotatably connected to the branch hinge. A slide ring is slidably connected to the trunk. A branch lift ... | 09/11/2007 |
| 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 |
| 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 |
| 7096875 | Animal umbrella A creative, protective play space device for children comprising an umbrella like structure which represents an animal, and in which the extremities of the animal, such as the head and the tail, extend beyond the end of the umbrella ribs, and fall toward the ground,... | 08/29/2006 |
| 7048333 | Collapsible sun shade for a chair A collapsible sun shade adapted to be used with a chair is disclosed. The shade is made of spring steel or equivalent material and is adapted to be affixed to cover the seat portion of a lounge chair. The shade is unfolded under the force of the compressed spring an... | 05/23/2006 |
| 7032532 | Watercraft cover The invention relates to an improved watercraft cover, as well as its method of use. In some embodiments, the watercraft cover's support structure is normally irreversibly integrated into or retained by a sheet of the watercraft cover, and the support structure and ... | 04/25/2006 |
| 6941959 | Umbrella having wind pressure releasing device An umbrella includes a shaft with a runner movably mounted thereto and a first cap and a second cap are respectively connected to a top end of the shaft. The first cap is located closer than the second cap to the second end of the shaft. A plurality of first ribs pi... | 09/13/2005 |
| 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 |
| 6681784 | Umbrella facet connecting mechanism An umbrella facet connecting mechanism which mainly comprises the umbrella facet connection, there is a bending position on said umbrella facet connection, and there settles a connecting portion on two ends portion and the bending portion respectively; th... | 01/27/2004 |
| 6612320 | Economic double-story umbrella as conveniently anchored A double-story umbrella includes an upper umbrella formed by an upper umbrella cloth; a lower umbrella having a shaft and a rib assembly pivotally secured to the shaft for securing a lower umbrella cloth on the rib assembly; a plurality of detachable rest... | 09/02/2003 |
| 6601597 | Windbreak and air-ventilating folding umbrella A windbreak and air-ventilating folding umbrella includes a frame coupling with a linkage bar. The linkage bar has one end attached to a sleeve which is movable on the frame and another suspended to allow the linkage bar having open or close movement at t... | 08/05/2003 |
| 6571814 | Windproof umbrella A windproof umbrella comprises a canopy including an upper canopy, a lower canopy not equal to upper canopy in size, and a vent hole provided in the center portion of the lower canopy; and a multiple frame including a shank, stationary hubs fixed on the s... | 06/03/2003 |
| 6520193 | Umbrella with vents on the umbrella cloth for venting wind An umbrella comprises an umbrella frame, a lower cloth, and an upper cloth, the upper cloth being in covering relation to an upper periphery of the lower cloth. The upper periphery in each sector of the lower cloth is formed as a suspending cambered-reces... | 02/18/2003 |
| 6502592 | Umbrella structure for releasing wind The present invention relates to an umbrella structure for releasing wind and includes a supporting rib pivotally connected with a main rib of the umbrella at a middle position. The supporting rib is provided inside with a coil spring and an end ball for ... | 01/07/2003 |
| 6474352 | Wind-proof umbrella A wind-proof umbrella has secondary ribs pivotally connected with second linking ribs and having a flexibility the same as that of flexible ribs that are mounted between second joints on the second linking ribs and third joints on the outer supporting rib... | 11/05/2002 |
| 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 |
| 6397867 | Vented umbrella A vented umbrella is resistant to inversion from the wind and effective in ventilation. The umbrella comprises a foldable frame, a lower canopy, and an upper canopy in a concentric covering relation with respect to lower canopy with a small overlapped per... | 06/04/2002 |
| 6390108 | Economic double-story umbrella An economic double-story umbrella includes: an upper umbrella formed by an upper umbrella cloth; and a lower umbrella having a shaft and a rib assembly pivotally secured to the shaft for securing a lower umbrella cloth on the rib assembly; having an upper... | 05/21/2002 |
| 6336464 | Stretcher structure used for collapsible two-layer canopy wind resistant umbrellas An innovative stretcher structure used for collapsible two-layer canopy wind resistant umbrellas primarily uses a connection block in conjunction with two staggered curved portions each formed on a main tail plate and a secondary tail plate to enhance the... | 01/08/2002 |
| 6318391 | Windproof umbrella with multiple canopy and frame A windproof umbrella comprises a canopy including an upper canopy, a lower canopy not equal to upper canopy in size, and a vent hole provided in the center portion of the lower canopy; and a multiple frame including a shank, stationary hubs fixed on the s... | 11/20/2001 |
| 6276380 | Anti-wind umbrellas A wind-resistant umbrella. The wind-resistant umbrella includes a holder cord (8) that is arranged offset with the stretcher (3) so that the cord (8) does not contact with the stretcher (3), thus avoiding any friction that may occur on an interface thereb... | 08/21/2001 |
| 6250319 | Vented umbrella A vented umbrella is resistant to inversion from the wind and effective in ventilation. The umbrella comprises a foldable frame, a lower canopy, and an upper canopy in a concentric covering relation with respect to lower canopy with a small overlapped per... | 06/26/2001 |
| 6237616 | Windproof umbrella A windproof umbrella comprises a main umbrella including a plurality of ribs, a lower canopy having a plurality of substantially trapezoidal sectors, and a center vent hole; and an upper umbrella including a plurality of rigid ribs, and an upper canopy ha... | 05/29/2001 |
| 6202662 | Ventilated umbrella A ventilated umbrella includes a support frame forming a tetragonal surface, a first canopy secured on the tetragonal surface of the support frame and having an outer edge, a loop-shaped second canopy secured on the tetragonal surface of the support frame... | 03/20/2001 |
| 6173724 | Windproof umbrella (B) A windproof umbrella comprises a lower umbrella including a plurality of ribs, a lower canopy having a plurality of substantially trapezoidal sectors, and a center vent hole; and an upper umbrella including a plurality of rigid ribs, and an upper canopy h... | 01/16/2001 |
| 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 |
| 6155278 | Ventilated umbrella A ventilated umbrella includes a support frame forming a fully expand surface when it is fully expanded, a first canopy secured on the inner area of the fully expanded surface of the support frame and having an outer edge, and a band-shaped second canopy ... | 12/05/2000 |
| 6131591 | Sun protection means A flexible, two-dimensional sunshade for the absorption and/or reflection of sunlight, especially of UV light, especially for mounting as a sun umbrella, awning or window shade, the sunshade, having regions interspersed by a pattern of light windows, bein... | 10/17/2000 |
| 6095171 | Multiple-fold windproof umbrella with compact restoring mechanism A multiple-fold windproof umbrella includes: a central shaft having a rib assembly pivotally secured to the central shaft, a lower cloth secured to the rib assembly, an upper cloth secured to the central shaft and juxtapositionally retained above the lowe... | 08/01/2000 |
| 6089244 | Windproof umbrella structure A windproof umbrella structure includes mainly a connector being provided at a pivoted position of the main rib and the stretcher to engage with a second rib. The invented assembled frame is covered by an upper cover and a lower cover and obtains a better... | 07/18/2000 |
| 6039063 | Multiple-fold windproof umbrella for preventing sagging of umbrella cloth A multiple-fold windproof umbrella includes: a central shaft having a rib assembly pivotally secured to the central shaft, a lower cloth having an anti-sagging band fastened on an upper periphery of the lower cloth and secured to the rib assembly, an uppe... | 03/21/2000 |
| 6024109 | Reliably controllable windproof umbrella A windproof umbrella includes: an upper cloth secured on an upper rib pivotally connected to a central shaft of the umbrella, a lower cloth secured on a lower rib pivotally connected to the central shaft and having a central opening circumferentially form... | 02/15/2000 |
| 6006770 | Reliably controllable windproof umbrella A windproof umbrella includes: an upper cloth secured on an upper rib pivotally connected to a central shaft of the umbrella, a lower cloth secured on a lower rib pivotally connected to the central shaft and having a central opening circumferentially form... | 12/28/1999 |
| 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 |
