The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7024761 | Device for destroying sharp, pointed objects which is fitted with means for automatically unscrewing injecting needles and similar A sharp cutting object disposal device provided with means for automatic unscrewing of venopuncture needles and the like, consisting of a tube to which a pair of motors or a gear wheel are fixed, the wheel which, actuated by a geared part that upon sliding on the ge... | 04/11/2006 |
| 7024749 | Method for manufacturing a cannula assembly The present invention is directed to a novel process for inserting a cannula, such as a hypodermic needle, into a hub member by roughening a first portion of the cannula while leaving a second portion substantially smooth such that the first portion forms an interfe... | 04/11/2006 |
| 6742246 | Systems for assembling injection devices Apparatus for assembling injection devices includes first and second pairs of shafts spaced apart from one another and defining axes extending parallel to a first inclined axis. The shafts include grooves extending helically between ends of the shafts, the helical g... | 06/01/2004 |
| 6733912 | Fixture pallet apparatus for automated assembly of fuel cell material layers A first fixture of a transportable fixture apparatus incorporates a substantially porous first region adapted to receive one or more porous and/or non-porous first material layers, such as fuel cell layers, and to facilitate formation of a vacuum between the first f... | 05/11/2004 |
| 5351381 | Device for removing a hypodermic needle from a syringe body and for distorting the hypodermic needle The device for removing a hypodermic needle from a syringe body and for simultaneously distorting the hypodermic needle comprises a receptacle, a guiding structure for guiding the hypodermic needle into the receptacle, a mechanism for engaging, pulling an... | 10/04/1994 |
| 5339511 | Method for screwing medication vials to IV-bags A method of screwing medication vials to IV-bags utilizing a power tool having a socket (58) with a bowl-shaped hard shell (60) defining a mouth (86) with a resilient material insert (62) lining an interior surface thereof and being held therein by a remo... | 08/23/1994 |
| 4271587 | Apparatus for continuously inverting sheaths and placing the sheaths onto articles An apparatus for continuously inverting the orientation of sheaths comprises a rotationally indexing wheel having a concavity at a side surface thereof and a plurality of holes provided around the wheel spaced from each other, the holes extending from the... | 06/09/1981 |
| 4050150 | Medical needle holder assembly and method of and apparatus for manufacturing medical needle holding assembly An apparatus for forming medical needle holder assembly employing a generally tubular needle holder, a filter element constituted by a wad of a lengthy filament yarn of snythetic resin and a generally tubular filter retainer adapted to be received in the ... | 09/27/1977 |