| Patents for A45B 19 - Special folding or telescoping of umbrellas (2,186) |
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| 04/10/1991 | CN2074572U Folding umbrella blocking device in or out the stick tube |
| 03/27/1991 | CN2073684U Umbrella with automatic opening, closing and folding function |
| 03/27/1991 | CN2073682U Portable air-filled folding umbrella |
| 03/27/1991 | CN1050131A Elliptic full-automatic foldable umbrella |
| 03/06/1991 | CN2072348U Folding umbrella with electric torch |
| 02/27/1991 | CN2071898U Three-folding type umbrella frame structure |
| 02/27/1991 | CN2071897U Inflating umbrella |
| 02/13/1991 | CN2071004U Face bult-in stick umbrella |
| 02/06/1991 | CN2070564U Improved umbrella ribs |
| 01/23/1991 | CN2069670U Volume-contractible fourfold umbrella after folding up |
| 01/15/1991 | US4984599 Fording frames of an umbrella |
| 12/26/1990 | CN2067917U Improved umbrella skeleton structure |
| 12/19/1990 | CN2067502U 车用伞 Car with an umbrella |
| 12/19/1990 | CN1047798A Two-pole large sunshading umbrella |
| 12/12/1990 | CN2067076U Full-automatic folding umbrella |
| 12/12/1990 | CN2067075U Multifunction aerated umbrella |
| 12/05/1990 | CN2066671U Improved antomatic folding device of double-folding umbrella |
| 11/28/1990 | CN2066257U Wind resistance umbrella |
| 11/21/1990 | CN2065836U Folding air-filled rain gear |
| 11/14/1990 | CN2065419U Full automatic folding umbrellas |
| 10/31/1990 | CN1046451A Umbrella capable of opening and closing by one hand |
| 10/30/1990 | US4966180 Expansible type triangular umbrella ribs and the related collapsing mechanism |
| 10/30/1990 | US4966179 Emergency umbrella |
| 10/11/1990 | DE4010039A1 Umbrella folding up in form of disk - has hinged sectional slats which can be rolled up |
| 09/12/1990 | EP0387069A2 Sectional umbrella |
| 09/12/1990 | CN2061781U Telescopic umbrella |
| 09/12/1990 | CN2061780U Inflatable cotlapsible umbrella |
| 08/28/1990 | US4951695 Anti-slipping telescopic centerpost of multiple-fold umbrella |
| 07/04/1990 | CN2058803U Self-open and self-close umbrella with telescopic stick |
| 06/19/1990 | US4934395 Short fold rib linkage for an umbrella |
| 06/19/1990 | US4934394 Umbrella with hollow staff and spring influenced canopy chords |
| 06/13/1990 | CN1042827A Folding umbrella of convenience |
| 05/23/1990 | CN2057323U 便携式自动多折伞 Portable automatic multi-folding |
| 05/15/1990 | CA1269018A1 Sport's cap umbrella |
| 05/09/1990 | CN1007872B Umbrella |
| 03/14/1990 | EP0358043A2 Sun shade with a base and a telescopic mast |
| 02/21/1990 | CN2053046U Improved mechanism of tail france for high-speed closing umbrella |
| 02/14/1990 | CN2052631U Inflating portable umbrella and hat |
| 01/24/1990 | CN2051460U Multifolding parasol with collapsible ribs sturcture and butterfly runner |
| 01/10/1990 | CN2050694U Umbrellas without frames for use in clear and rain days |
| 11/08/1989 | CN2047116U Improved three folding umbrella rib structure |
| 11/08/1989 | CN2047115U Eccentric folding fan umbrella without rib |
| 11/08/1989 | CN2047114U Automatic folding umbrella with opening and closing device by one hand |
| 11/08/1989 | CN2047111U Multipurpose folding umbrella |
| 11/01/1989 | CN2046713U Single hand open-close type folding umbrella |
| 10/12/1989 | DE3811233A1 Umbrella or sun umbrella which can be inflated by mouth and worn on the head |
| 10/11/1989 | CN2045589U Umbrella end improving structure with quick regained function |
| 10/11/1989 | CN2045587U Fully-automation folding umbrella operated by single button |
| 10/11/1989 | CN2045586U Convenient three-folding umbrella |
| 10/05/1989 | DE3809873A1 Folding umbrella with ribs which can be shortened in a three-fold manner |
| 10/04/1989 | CN2045209U Four-folding umbrella |
| 10/03/1989 | US4870983 Umbrella |
| 08/22/1989 | US4858633 Stable telescopic centerpost of multiple-fold umbrella |
| 08/02/1989 | CN2041903U Four-fold umbrella |
| 07/26/1989 | CN2041506U Fully-automation three-folding umbrella |
| 07/26/1989 | CN2041505U Convenient folding umbrella |
| 07/19/1989 | CN2041109U Combined labour-saving weather umbrella |
| 07/05/1989 | CN2040320U Speical-purpose umbrella with multifunctional bag |
| 06/28/1989 | CN2039925U Curvature-changeable umbrella frame |
| 06/28/1989 | CN2039924U Multi-folding all-weather umbrella |
| 06/27/1989 | US4842003 Emergency umbrella |
| 06/14/1989 | CN2039130U Push-pull plate for collapsible umbrella ribs |
| 06/07/1989 | CN2038730U Short folding umbrella |
| 06/06/1989 | US4836231 Beach shade |
| 05/17/1989 | CN2037555U Multi-purpose folding fan-umbrella |
| 04/18/1989 | US4821756 Collapsible diposable umbrella |
| 04/11/1989 | US4819679 Disposable umbrella |
| 04/05/1989 | CN2035188U All-weather umbrella |
| 03/28/1989 | US4815489 Umbrella ink means having resilient link for accelerating folding operation |
| 03/15/1989 | EP0306542A1 Sun shade |
| 03/15/1989 | CN2033996U Fully automatic bidirectional foldable umbrella |
| 02/15/1989 | EP0237560A4 Disposable umbrella and method of manufacture. |
| 02/15/1989 | CN2032407U Foldable and automatic opening-closing weather umbrella |
| 02/08/1989 | CN2032007U Foldable umbrella and cap |
| 01/04/1989 | CN2030028U Multipurpose elliptic folding umbrella |
| 12/21/1988 | EP0295765A2 Shortening link means of multiple-fold umbrella |
| 12/06/1988 | CA1245945A1 Shortenable umbrella |
| 11/16/1988 | CN87216044U Automatic opening and closing umbrella |
| 09/29/1988 | DE3708921A1 Large umbrella |
| 09/21/1988 | CN87215874U Foldable umbrella with wheel for two persons |
| 09/21/1988 | CN87211831U Triple-joint self-open umbrella |
| 08/30/1988 | US4766917 Easily-folded link means of multiple-fold umbrella |
| 07/27/1988 | CN87210691U Portable air inflatable umbrella |
| 07/05/1988 | US4754773 Disposable umbrella and method of manufacture |
| 06/15/1988 | CN86208336U Sunny and rain implement |
| 06/08/1988 | CN87207368U Foldable dual-purpose umbrella for two people |
| 05/25/1988 | CN87203871U Inflatable foldable umbrella wearing on head |
| 05/11/1988 | CN87209611U Multi-joints automatic folding umbrella |
| 05/04/1988 | CN87207089U Tensioning type auto-opening foldable umbrella |
| 04/26/1988 | US4739783 Shortening link means of multiple-fold umbrella |
| 04/05/1988 | CA1234735A1 Umbrella rib linkage system |
| 03/16/1988 | CN87204298U Self-opening and self-gathering sunny and rainy umbrella |
| 03/09/1988 | CN87201125U Telescopic wind-resistant weather umbrella |
| 02/04/1988 | DE3625287A1 Telescopic handle |
| 12/31/1987 | CN87202790U Automatic opening and closing collapsible umbrella |
| 11/25/1987 | CN87200731U Folding umbrella which can be put on one's head as a hat |
| 10/14/1987 | EP0240633A1 Folding round rim umbrella |
| 09/23/1987 | EP0237560A1 Disposable umbrella and method of manufacture |
| 09/12/1987 | CN86206559U Full automatic telescopic umbrella |
| 09/02/1987 | CN85103834A Rotary and folding method for goods of daily use and rain-sun cap, rain-sun umbrella & folding fan related |