...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7278245 | Radial-hinge mechanism A radial-hinge mechanism includes one or more elongated members arranged and interconnected into a unique, geometry-based, closed-loop assembly often resembling a multi-point star when in its fully-closed mode. The mechanism's signature function is its variable natu... | 10/09/2007 |
| 7213875 | Foldable chair This foldable chair comprises a frame forming the backrest and the forward prop and being articulately linked to a second frame forming the backward prop and to a plate forming the seat. A characterising feature lies in that the seat is linked in a pin-jointed conne... | 05/08/2007 |
| 7147277 | Foldable chair A chair. The chair folds by a plurality of hinges between an expanded position and a collapsed position to seat a person substantially horizontal while the chair is positioned on an angled surface. The chair comprises a back assembly, a seat assembly, a leg assembly... | 12/12/2006 |
| 7134712 | Chaise-longue The disclosure generally describes a chaise longue having a base structure that supports a backrest section, a footrest section and an intermediate section. The intermediate section is connected between the backrest section and the footrest section. The base structu... | 11/14/2006 |
| 7103927 | Cot that folds into a compact configuration A cot having a frame that is configured so that one end, such as the head end of the cot, is recessed within the other end, i.e., the foot end of the cot, when the cot is folded. As an example, the legs of one end may recess into the legs of the other end. To this e... | 09/12/2006 |
| 7100975 | Collapsible rocking chair Methods and apparatus are provided in which a collapsible rocking chair has legs that translate towards and away from each other to configure the chair between open and collapsed dispositions, and at least one leg that slidably articulates with a rocker. Preferred e... | 09/05/2006 |
| 7073864 | Stackable chair with flexing frame A stackable chair has supporting side members that comprise two bars that cross one another in non-contacting relation to form a substantially X-shaped configuration, the two bars capable of flexing movement relative to one another, so that the chair can flex in res... | 07/11/2006 |
| 7052081 | Foldable chair A foldable chair that includes front legs, rear legs, a seat and a collar slidable on the front legs pivotally coupling the front and rear legs. ... | 05/30/2006 |
| 6877803 | Foldable rocking chair A foldable rocking chair includes a chair frame comprised of first and second U-shaped members each having opposite side bars connected by a bottom bar and arranged to cross each other, a stretcher bar having opposite ends pivoted to the side bars at a location belo... | 04/12/2005 |
| 6843527 | Multi-functional portable folding rocking chair A rocking chair having an elongate flexible seat supported at opposite ends by a pair of oppositely inclined, diagonally disposed frames. Each frame includes a U-shaped tube interconnected connected by a plurality of cross members and is pivotally interconnected wit... | 01/18/2005 |
| 6682136 | Collapsible tubular rocking chair having occupant-launching means A foldable tubular rocking chair has inverted U-shaped elements secured between its front legs to give stability and to serve as a stop for the crosspiece of the pivoting arm unit when the occupant leans forward during launch. Arms have forward and upward... | 01/27/2004 |
| 6591778 | Pet bed A pet bed (1) for use on a floor, the pet bed (1) including a pair of frames (2), each including a floor engaging end (4) and an upper end (6) distal the floor engaging end (4). Hinge means (8) interconnect the frames (2) intermediate the floor engaging e... | 07/15/2003 |
| 6398298 | Foldable rocking chair A foldable rocking chair includes a pair of first rods, a pair of second rods respectively associated and crossing the first rods, a pair of stretchers pivoted on the first and second rods adjacent to bottom ends of the first and second rods, a pair of ar... | 06/04/2002 |
| 6354657 | Multi-functional portable folding rocking chair A rocking chair and chaise lounge of the type having an elongate rectangular longitudinally flexible seat supported at opposite ends by a pair of oppositely inclined, diagonally disposed frames. Each frame is pivotally interconnected with the other at the... | 03/12/2002 |
| 6345862 | Convertible backpack chair A convertible backpack chair device is disclosed. The device has a first frame portion and a second frame portion. The two portions are independent of one another and are able to be slip fitted in a chair mode, a reclining mode, and a backpack mode. In th... | 02/12/2002 |
| 6231015 | Combined teapoy and footrest A combined teapoy and footrest includes a rectangular table top having a bottom provided with four seats, an outer leg frame including two first legs and a cross bar mounted between the two first legs, each of the first legs having a through hole close to... | 05/15/2001 |
| 5897462 | Exercise apparatus A tubular-frame rocking platform is provided with a wheeled platform. To the structure a resistance rod is selectively locked in a forward part of the chair and extends rearwardly through a rearward element of the chair and is provided with a spring and h... | 04/27/1999 |
| 5876091 | Collapsible tripod stool A collapsible tripod stool (16) which comprises three legs (18) with a structure (20) for crisscrossing the legs (18) together. A flexible seat (22) is also provided. A facility (24) is for attaching the flexible seat (22) onto flattened curved top ends (... | 03/02/1999 |
| 5626385 | Versatile support for dynamically fractional gross loads A pivotally articulated, foldable load-support device, comprising two oppositely inclined, intersecting leg frames, being joined by aligned pivotal connections at two pairs of upper pivot-points above the intersection of the leg frames to an upper load-be... | 05/06/1997 |
| 5577799 | Collapsible tubular rocking chair frame A foldable tubular rocking chair frame comprises an elongate generally open rectangular back unit having parallel long side elements and parallel upper and lower end elements, the long sides being interrupted by selectively foldable aligned hinges. The hi... | 11/26/1996 |
| 5058948 | Foldable chair A chair comprises an inclined front support member and an oppositely inclined rear support member intersecting the front support member. A seat is fixed to the rear support member and extends in a generally horizontal direction. An upper tension member ne... | 10/22/1991 |
| 4743068 | Knock-down furniture coupling device An article of knock-down furniture that can be easily assembled by an end-user comprises a plurality of pieces and contact joint arrangements that prevent unwanted separation of the pieces, while permitting the pieces to rotate and flex relative to each o... | 05/10/1988 |
| 4699422 | Reclining and swingable chair A reclining and swingable chair comprising a front leg having a first U-shaped member; a rising rod provided at the upper portion of the first U-shaped member; a first reinforcing member provided at lower end of the rising rod; a supporting rod provided a... | 10/13/1987 |
| 4597604 | Support structures for chairs and the like having pivoting members A chair support structure including a pair of transversely spaced struts maintained in substantially fixed relationship to each other, the axes of the struts being inclined with respect to the horizontal and defining an imaginary surface therebetween, an ... | 07/01/1986 |
| 4433869 | Baby walker A tray and seat are adjustable vertically with respect to a base on a baby walker. Connecting means extending from the tray to the base is associated with a pawl having teeth meshed with a rack on the bottom surface of the tray. The meshed teeth are shape... | 02/28/1984 |
| 4251106 | Collapsible lounging chair A lounging chair consists of nine tubular members, two pairs of foot supports, a flexible seat and back web and three specially shaped holders for connecting the tubular members together to form two interengaging frames between which the seat and back web... | 02/17/1981 |
| 4241950 | Folding chair Folding chair structure having four legs, seat portion supported by lateral seat members, and back portion supported by lateral back members hinged to seat members. Forward leg members extend upwardly and rearwardly from a forward position on floor and ar... | 12/30/1980 |
| 4239280 | Folding support construction A folding support constructed from arrays of interdigitated elongated members. The interdigitated elongated members are not hinged or joined together in any way, but rather are free to slide with respect to each other. The elongated members are joined to ... | 12/16/1980 |
| 4118064 | Collapsible folding rocking chair Loosely and relatively swingable within an outer three-sided rectangular frame is an inner three-sided rectangular frame, the forward lower cross member of which is connected to the upper rearward cross member of the outer frame by a flexible fabric seat ... | 10/03/1978 |
| 4077668 | Two part portable chair construction A chair construction of two separate yet complementary members. The first member includes two symmetrical, oppositely facing and substantially parallel side pieces held rigidly in relative position. A backrest may be provided by a first series of parallel... | 03/07/1978 |