"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 5921267 | Water level control device A water level control device including a cylindrical casing which has a bottom open end connected to a drain port of a water reservoir, a top open end, a plurality of longitudinally extended projecting rods spaced around its top open end, and a plurality ... | 07/13/1999 |
| 5113837 | Air induction control device An air induction control device for an internal combustion engine comprises means defining a communication passageway for communicating between air at atmospheric pressure and the air in the downstream passageway from a throttle valve. A valve member is d... | 05/19/1992 |
| 5009261 | Device for providing communication between water tanks of heat accumulation tank system Disclosed is a heat accumulation tank system intended for use as a heat source of, for example, an air conditioner and which is installed, for example, in a building or under a green zone, a stadium or a parking area. The heat accumulation tank system is ... | 04/23/1991 |
| 4887667 | Device for providing communication between water tanks of heat accumulation tank system Disclosed is a heat accumulation tank system intended for use as a heat source of, for example, an air conditioner and which is installed, for example, in a building or under a green zone, a stadium or a parking area. The heat accumulation tank system is ... | 12/19/1989 |
| 4802897 | Recovery of gases from non-viscous solvents A process and apparatus for separating a volatile gas from a liquid in which it is dissolved. The liquid flows through a conduit having obstructions to cause separation by centripetal forces created as the liquid flows around the obstruction. The gases th... | 02/07/1989 |
| 4619273 | Device for diagnosing and monitoring urological diseases A device for diagnosing and monitoring urological diseases includes a determining unit for determining at least one characteristic of patient's urination such as a urine exit speed variation or a urine quantity variation over a period of time. Both charac... | 10/28/1986 |
| 4542762 | Automatic liquid delivery apparatus An automatic liquid delivery apparatus which employs no moving parts and requires no external source of energy except gravity to operate, dispenses liquid from a constantly available source, which is open to the atmosphere, to a receiver or zone requiring... | 09/24/1985 |
| 4526757 | Pulsed flow vapor-liquid reactor A process for automatically providing for periodic surge flow or liquid slugs in the catalyst bed to insure that the catalyst is periodically fully wetted. Therefore, before dry spots develop in the bed and some catalyst particles are deprived of the liqu... | 07/02/1985 |