Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
PatentStorm News
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 |
| 4830190 | Heating and cooling lunch box with intake air opening A heating and cooling lunch box which can preserve meals at a suitable temperature for taste a long time depending the type of meals. The lunch box has an outer container, an inner container for forming a heating and heat insulating container and a coolin... | 05/16/1989 |
| 4776963 | Sterilizing water-purifying reagent for drink This invention provides a sterilizing water-purifying reagent for removing muddiness of water to be treated or sterilizing the water to be treated as drinking water in fields or under drinking water shortage environment, and the sterilizing water-purifyin... | 10/11/1988 |
| 4726744 | Tubocharger with variable vane A turbocharger having a plurality of adjustable vanes for varying gas flow to the turbine impeller of the turbocharger so as to vary the output power of the turbine. In a preferred embodiment, the turbocharger comprises a turbine empeller and a compressor... | 02/23/1988 |
| 4666156 | Method of producing a golfing aid There is disclosed a method of producing a golfing aid, which method comprises the steps of: providing an aerial photograph of a first hole of a golf course; translating the aerial photograph into a topographical map (2) of the first hole of the golf course an... | 05/19/1987 |
| 4660868 | Fluid coupling having high sealability Disclosed is a cap-nut fluid type coupling wherein piping welded to said coupling is less liable to twist or does not twist at all when the cap nut is tightened. The fluid joint coupling for clamping the cap nut has a ring-shaped groove formed on the cont... | 04/28/1987 |
| 4635469 | Methods and apparatus for measuring the tightness of enclosures Disclosed are methods and apparatus for measuring tightness of an enclosure such as a building by utilizing alternating pressurization techniques. One method comprises providing apparatus capable of causing an internal volume change for the enclosure, the... | 01/13/1987 |
| 4631876 | Orifice metering fan device Disclosed is a device for generating and measuring the flow of a gas, the device being particularly adapted for measuring the magnitude of air infiltration in a building and for locating sources of air infiltration. The device of the invention comprises a... | 12/30/1986 |
| 4623039 | Spring drive Disclosed herein is a spring drive for use in a moving toy which comprises a windup pinion 5, a spring windup shaft 7 having a gear 6 meshing with the pinion 5, a large gear 8 provided around the spring windup shaft 7, a drive pinion 9 always meshing with... | 11/18/1986 |
| 4611820 | Wheel support assembly for a boat Disclosed is a wheel support assembly for a boat which is pivotally attached to the side of the boat such that the boat can be easily transported on land and, when launched, can be pivoted into the interior of the boat hull. Also disclosed are drawbars fo... | 09/16/1986 |
| 4597835 | Still A still comprises a housing, a hollow rotor rotatably mounted in the housing and having one or more outlets for liquid at the periphery thereof, means for rotating the rotor about its axis, a plurality of concentric lamellar bodies of thermally conductive... | 07/01/1986 |
| 4568308 | Two-speed action spring drive A two-speed action spring drive which automatically changes the gears from very slow to fast moving state is disclosed. In this device the gear meshing with a driving gear group and the gear meshing with a reducing gear group are linked together by a deta... | 02/04/1986 |
| 4557454 | Lift mechanism for a dental chair Disclosed is a lift mechanism which is particularly adapted for use in a dental chair. The lift mechanism comprises a base plate, a support attached to and extending vertically from the base plate, the support having two planar side surfaces parallel to e... | 12/10/1985 |
| 4552164 | Detection method and apparatus A method and apparatus as disclosed herein to detect the presence of anesthetic gas in the oxygen-containing gas delivery line, for use with a system for administration of anesthetics, which anesthetics comprise predominantly a mixture of an anesthetic ga... | 11/12/1985 |
| 4434869 | Rescue apparatus An apparatus for transporting personnel or materials from an upper elevation to a lower elevation. Twin guideline means are suspended between the upper and lower elevations from each of which is suspended a carrier means. The two carrier means are simulta... | 03/06/1984 |
| 4420969 | Orifice metering fan device Disclosed is a device for generating and measuring the flow of a gas, the device being particularly adapted for measuring the magnitude of air infiltration in a building and for locating sources of air infiltration. The device of the invention comprises a... | 12/20/1983 |
