Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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 |
| 7748066 | Mattress center ridge compensator A mattress includes reduced-firmness materials along a central region thereof in order to mitigate the occurrence of a central ridge following repeated use of the mattress as a sleeping surface. An associated box spring may also, or instead, present a central region... | 07/06/2010 |
| 7251845 | Patient bed, and method for reproducibly positioning and supporting a patient therewith A patient bed and a method for reproducibly positioning and supporting a patient in a medical diagnosis or therapy apparatus, such as a CT apparatus or an MRI apparatus, involve supporting at least regions of the patient body in a desired position on the patient bed... | 08/07/2007 |
| 6955527 | Two-way mounting air pump with an inflation mode and a deflation mode A two-way mounting mode air pump is constructed to include a housing affixed to an inflatable object, a battery case mounted in the housing, the battery case having a female coupling device and power output contacts in the female coupling device, and a motor pump se... | 10/18/2005 |
| 6952852 | Mattress structure A mattress (900) provides a user with three-dimensional firmness zoning, the mattress (900) cooperating with a mattress shell (720). The mattress (900) includes a plurality of longitudinally spaced, transversely extending resilient blocks... | 10/11/2005 |
| 6907633 | Zoning of inflatable bladders The present invention is directed to diminish the material's creep problem found in inflatable bladders. This is accomplished by positioning an anti-creep zone within a bladder. The anti-creep zone is separated from the remainder of the bladder by a fluid barrier. T... | 06/21/2005 |
| 6793289 | Seat back or seat base of an automobile seat A seat back or a seat base of an automobile seat with a frame includes a spring system extending between two opposing cross braces consisting of meander-shaped shaped spring wires and upholstery in a seat surface. The level determined by the supporting surface of th... | 09/21/2004 |
| 6686711 | Air mattress control system and method A method and system for controlling the firmness of an inflatable air mattress wherein an air blower supplies pressurized air to the inflatable chamber(s) of the mattress through a port containing a valve in response to a target fullness selected by the u... | 02/03/2004 |
| 6483264 | Air control system for an air bed An automatic control system for controlling the firmness of a fluid supported mattress of a bed assembly. The control system includes a motorized fluid pump, a control unit for operating the pump to adjust the firmness of the air mattress, a hand held rem... | 11/19/2002 |
| 6378152 | Mattress structure A variable firmness mattress structure includes a plurality of longitudinally spaced apart, transversely extending air bladders and an air supply for filling each bladder to a respective desired air pressure to support a user at a desired mattress firmnes... | 04/30/2002 |
| 6253401 | Air mattress system An air mattress system includes a plurality of inflatable air chambers operatively connected to form an air mattress, a reversible air pump operatively connected to the air chambers, and a manually operable control operatively connected to the air pump fo... | 07/03/2001 |
| 6243899 | Mattress device A mattress includes a bag in which an amount of fluid is sealed. A portion of the bag is provided with an adjuster which adjust an inner volume of the bag. Adjusting the inner volume changes a pressure of the fluid in the bag which is regarded as a softne... | 06/12/2001 |
| 6037723 | Air control system for an air bed An automatic control system for controlling the firmness of a fluid supported mattress of a bed assembly. The control system includes a motorized fluid pump, a control unit for operating the pump to adjust the firmness of the air mattress, a hand held rem... | 03/14/2000 |
| 5652484 | Air control system for an air bed An automatic control system for controlling the firmness of a fluid supported mattress of a bed assembly. The control system includes a motorized fluid pump, a control unit for operating the pump to adjust the firmness of the air mattress, a hand held rem... | 07/29/1997 |
| 5547253 | Sit/stand adjustable, tower chair An adjustable, tower chair includes a five spoke rolling base having a central portion; and a tower including a lower portion mounted to the central portion of the base, and an upper portion extending upwardly with respect to the lower portion and off-cen... | 08/20/1996 |
| 5526543 | Method and apparatus for treating or preventing bed sores A method and apparatus for preventing or treating bed sores is disclosed which includes a mattress arrangement having a mattress and depressing means for depressing from underneath the mattress at least one area in the mattress to relieve pressure on at l... | 06/18/1996 |
| 5509154 | Air control system for an air bed An automatic control system for controlling the firmness of a fluid supported mattress of a bed assembly. The control system includes a motorized fluid pump, a control unit for operating the pump to adjust the firmness of the air mattress, a hand held rem... | 04/23/1996 |
| 5283735 | Feedback system for load bearing surface An electronic system for adjusting a load bearing surface such as a chair or bed to provide a desired level of comfort includes an array of pressure sensors located within the load bearing surface. The pressure sensors generate data indicating the actual ... | 02/01/1994 |
| 4945591 | Cushionlike item with projections attached thereto by strings A bed pad, an automobile seat pad, a pillow or a similar cushionlike item having therapeutic effects similar to those of finger pressure therapy, a good airing function and an improved adaptability to the head or waist of the user is provided. A cushionli... | 08/07/1990 |
| 4754511 | Support cushions A cushioning apparatus having exterior surface means which form a desired shape and define an internal cavity therein, and a plurality of spherical pellets which substantially fill the internal cavity. External prestressing means, internal tension members... | 07/05/1988 |
| 4547918 | Body supporting network The present invention relates to a body supporting network suitable for use with a load supporting system. The network includes at least first and second pluralities of elongate support members securable with the system for supporting a load. The first an... | 10/22/1985 |
| 4222137 | Internal pressure adjustable bed A bed adjustable in hardness distribution of its surface. An elastic member is interposed between a surface side member and a bottom plate of the bed, and the bottom plate is divided in the direction of its plane and each of the bottom plates thus divided... | 09/16/1980 |
| 4094025 | Water mattress A water mattress which can be adjusted to all intermediate degrees of softness between hard and completely soft. The water mattress consisting of water container, open upwards and with a bottom shaped to contain a minimum of water. A flexible elastic wate... | 06/13/1978 |