"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 |
| 7204272 | Modular manifold A modular manifold comprises a front cap, an end cap, and at least two adjoining port modules being securely sandwiched between the front and end caps. Each of the adjoining port modules comprises an internal channel adapted for fluid flow, and a side port in commun... | 04/17/2007 |
| 7040431 | Fuel cell hybrid vehicle with automatically watered aqueous batteries A fuel cell hybrid vehicle utilizing flooded aqueous battery or batteries operatively coupled to a fuel cell stack, an electric drive motor, and an integrated watering system, the integrated watering system comprising: a heat exchanger configured to extract water fr... | 05/09/2006 |
| 6446681 | Filler unit for topping up a container with liquid A battery watering unit is mounted atop a battery cell, and includes an open-topped vessel having a bottom wall. A side wall arrangement having an opening at the bottom forms a first divider to partition the vessel into a vented portion and an air entrapp... | 09/10/2002 |
| 6164309 | Liquid filling device A liquid filling device for watering batteries comprises a body having first and second water ports that extend through the body and connect within it to first and second water passages that are independent of one another. A trap is disposed the device at... | 12/26/2000 |
| 5726404 | Valveless liquid microswitch This invention provides a valveless method and apparatus for high speed switching of liquid flow between intersecting microchannels. Liquid flow is controlled by manipulating external driving pressures. The switch comprises three intersecting microchannel... | 03/10/1998 |
| 4754777 | Valve for the addition of water to electrochemical accumulator batteries A valve for the addition of water to electrochemical accumulator batteries and for maintaining the flow of liquid at a constant level. A membrane in a valve body is biased by means of a spring against a wall arranged concentrically with an inlet orifice, ... | 07/05/1988 |
| 4079761 | Battery water filling device A container for dispensing water into the cells of an electric storage battery and/or simultaneously into several cells, for example, in to all three cells of a 6 volt electric storage battery, from a container having a common water supply, the dispensing... | 03/21/1978 |