Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7378037 | Organotin compound treatment To treat an organotin compound in a liquid at low cost. Addition of iron oxide into a liquid containing an organotin compound allows trapping of the organotin compound in the liquid by the iron oxide, and reduction of the organotin compound concentration in the liqu... | 05/27/2008 |
| D551579 | Colorimeter | 09/25/2007 |
| 7264652 | Filter for collecting chlorinated organic compound The collecting filter can capture and collect various chlorinated organic compounds in both particulate form and gaseous form contained in a fluid at the same time, and is easy to extract the collected chlorinated organic compounds therefrom. This collecting filter ... | 09/04/2007 |
| 7202090 | Hardness measurement reagent To provide a hardness measurement reagent unaffected by an M alkalinity in hardness measurement. A hardness measurement reagent as a one-solution type reagent includes a dye chosen from Eriochrome Black T (EBT) and Calmagite, triethanolamine, a glycol compound, and ... | 04/10/2007 |
| 7178552 | Valve A valve includes: a valve casing (1); a valve chamber (4) defined between a fluid inlet (2) and a fluid outlet (3) of the valve casing (1): and a plurality of check valve mechanisms (9) arranged in series within the valve ch... | 02/20/2007 |
| 7111642 | Valve having fast and slow acting closure elements A first valve portion and a second valve portion are arranged in series in a flow passage within a valve casing to open and close the flow passage. The first valve portion includes a first valve seat, a first valve element supported to a first valve shaft and adapte... | 09/26/2006 |
| 6890374 | Filter for sampling chlorinated organic compound A collector 3 capable of collecting and sampling simultaneously various types of chlorinated organic compounds in both particulate and gaseous forms contained in a fluid and easy to extract the sampled chlorinated organic compounds therefrom includes a sampli... | 05/10/2005 |
| 6823821 | Combustion method and apparatus for NOx reduction Combustion method and apparatus for NOx reduction are capable of easily achieving NOx reduction to an exhaust NOx value of 30 ppm or under. The combustion method is to perform in combination a first NOx reduction step for ... | 11/30/2004 |
| 6823290 | Method and system for inspecting thermal equipment A system for inspecting thermal equipment includes a communication line for connecting a facility site and a management center to each other. At the facility site, an operating state information collecting device collects information related to operating states of t... | 11/23/2004 |
| 6793485 | Combustion apparatus for NOx reduction A combustion apparatus for NOx reduction and CO reduction capable of achieving stable NOx reduction with simple means. The combustion apparatus for fulfilling NOx reduction by controlling the temperature of combustion gas derived fro... | 09/21/2004 |
| 6783666 | Water softening device and method for regeneration control thereof A water softening device and a method for regeneration control thereof, in which the hardness of feedwater to be softened is detected with the lapse of time and regeneration timing is controlled based on the detected value. The invention includes an inlet hardness m... | 08/31/2004 |
| 6772095 | Method and system for servicing and maintaining thermal equipment, water treatment equipment and the like A method and a system for servicing and maintaining thermal equipment, or water treatment equipment fulfills a prompt countermeasure against an abnormality. The servicing and maintenance system is provided with a communication line connecting between a facility site... | 08/03/2004 |
| 6599748 | Hardness indicator composition and method of water hardness analysis A hardness indicator composition, and a method of water hardness analysis, capable of measuring hardness even with higher-hardness water without requiring titration by a two-liquid system. The hardness indicator composition is formulated of a metal indica... | 07/29/2003 |
| 6269782 | Water-tube boiler Boiler efficiency is further improved and the whole boiler body is slimmed down by totally improving heat transfer surfaces confronting gas flow passages, i.e., by forming the heat transfer surface structure into three stages, and moreover by making effec... | 08/07/2001 |
| 4919314 | Time control device for water conditioning apparatus A time control device provided in a water conditioning apparatus, and including a control mechanism, a main shaft, a main wheel rotating about the axis of the main shaft at a constant speed, and a skipper wheel rotating about the axis of the main shaft an... | 04/24/1990 |
| 4825813 | Multi-pipe once-through type boiler A multi-pipe once-through boiler having at least one row of a plurality of circumferentially arranged pipes on which a plurality of fins are arranged in such a manner that the fins are in contact with the flow of the combustion gas in a substantially para... | 05/02/1989 |
| 4453496 | Multitubular once-through boiler A multitubular once-through boiler which exhibits an excellent heat transfer efficiency and requires a relatively smaller installation area. The multitubular once-through boiler comprises a combustion device, a ring-shaped upper header which functions as ... | 06/12/1984 |
