Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7555814 | Cleaner having cloth holder A cleaner is disclosed, by which a floorcloth is attached to a correct position on a bottom of the cleaner, and by which a floorcloth can be attached to a correct position without turning a cleaner body upside down, thereby preventing a hazardous condition. The pres... | 07/07/2009 |
| 7409745 | Cleaning pad for vacuum cleaner The claimed invention provides an apparatus for use with a vacuum cleaner nozzle having an intake opening with a flow area that receives a flow of working air. The apparatus comprises a cleaning pad with a structure that permits the working air to pass through the p... | 08/12/2008 |
| 7361234 | Photolithographic stepper and/or scanner machines including cleaning devices and methods of cleaning photolithographic stepper and/or scanner machines Stepper and/or scanner machines including cleaning devices and methods for cleaning stepper and/or scanner machines are disclosed herein. In one embodiment, a stepper and/or scanner machine includes a housing, an illuminator, a lens, a workpiece support, a cleaning ... | 04/22/2008 |
| 7337494 | Electrostatic cloth attachment for vacuum head A vacuum head assembly is disclosed which includes a vacuum head detachably connected to a secondary head, which is designed to carry an electrostatic cloth. The secondary head assumes a horizontal position behind the vacuum head so that the scoop of the vacuum head... | 03/04/2008 |
| 7320149 | Robotic extraction cleaner with dusting pad An vacuum cleaning robot has a drive system adapted to autonomously move a base housing along a horizontal surface and is controlled by a computer processing unit. A dusting assembly is mounted to the base housing and is adapted to selectively rest on a surface to b... | 01/22/2008 |
| 7293322 | Cleaning attachment for vacuum cleaner An attachment for use with a vacuum cleaner, includes a suction nozzle, a conduit communicating the nozzle with the vacuum cleaner, and a support plate. A pivot joint connects the support plate to the suction nozzle. A cleaning sheet is selectively attached to the s... | 11/13/2007 |
| 7246405 | Self-moving vacuum cleaner with moveable intake nozzle A self-moving vacuum cleaner includes a duct disposed in a casing and having a vacuum inlet which extends downwardly of a bottom wall of the casing, and an impeller disposed to draw dust from the floor surface through the vacuum inlet into the duct. An intake nozzle... | 07/24/2007 |
| 7249120 | Method and apparatus for selecting candidate statistics to estimate the selectivity value of the conditional selectivity expression in optimize queries based on a set of predicates that each reference a set of relational database tables By transforming a query into a product of conditional selectivity expressions, an existing set of statistics on query expressions can be used more effectively to estimate cardinality values. Conditional selectivity values are progressively separated according to rul... | 07/24/2007 |
| 7246116 | Method, system and article of manufacturing for converting data values quantified using a first measurement unit into equivalent data values when quantified using a second measurement unit in order to receive query results including data values measured using at least one of the first and second measurement units A system, method and article of manufacture for identification of mergeable data in a data processing system and, more particularly, for providing mechanisms for facilitating identification of correlated columns from one or more database tables. One embodiment provi... | 07/17/2007 |
| 7222391 | Wireless blackboard eraser and dust collector The present invention provides a battery-operated blackboard eraser and dust collector, which is composed of a shell body, an air blower, and an erasing plate set. The air blower is installed inside the shell body and the erasing plate set is disposed under the shel... | 05/29/2007 |
| 7188124 | Method, system, computer product for recovering dropped database table specifying one or more table spaces, recovering the table space being restored using the dropped table history data structure A technique for recovering a dropped table is provided. One or more table spaces are specified prior to one or more tables being dropped from the specified one or more table spaces. When a table is to be dropped from the one or more specified table spaces, a table i... | 03/06/2007 |
| 7181451 | Processing input text to generate the selectivity value of a word or word group in a library of texts in a field is related to the frequency of occurrence of that word or word group in library Disclosed is an automated system, machine-readable storage medium embodying computer-executable code, and method for generating descriptive words and optionally, multi-word groups derived from a digitally encoded, natural-language input text that describes a concept... | 02/20/2007 |
| 7150069 | Electric vacuum cleaner An electric vacuum cleaner includes a nozzle assembly 5 including: a base member 6; a movable member 7 inversely rotatably attached to the base member 6 and having one surface formed with a suction opening 20; and a covering member... | 12/19/2006 |
| 7137169 | Vacuum cleaner with cleaning pad A vacuum cleaner has a suction nozzle, a housing connected to the suction nozzle and a suction fan and motor assembly mounted to the housing. A dirt collecting receptacle is mounted to the housing and is in communication with the suction nozzle and suction fan and m... | 11/21/2006 |
| 7120652 | Method, system and program for determining version of storage devices and programs indicated in the resource information installed in the computer system Provided are a method, system, and program for managing a configuration file including device parameters that define attributes of the device accessed by a device driver executing in a computer. The device driver uses the device parameters to control one or more dev... | 10/10/2006 |
| 7117194 | Textual and graphic data presentation system and method A system and method for use in accessing and displaying information is disclosed. The system and method may include a hand-held device for displaying information; the device may include a processor; a memory; and a word dictionary table stored in the memory. The wor... | 10/03/2006 |
| 7048804 | Suction wet jet mop A cleaning device (10) includes a handle assembly (14). A cleaning head (12, 312, 512) is pivotally mounted to the handle assembly (14). The cleaning head selectively holds a cleaning pad (70) for collecting dust and debris from a ... | 05/23/2006 |
| 7017227 | Vacuum cleaner dusting attachment A vacuum cleaner dusting attachment. An attachment member is connected to a vacuum cleaner hose at a first end of the attachment member. The second end of the attachment member is attached to a dusting member. The first end of the attachment member is aligned with t... | 03/28/2006 |
| 7013528 | Floor cleaner with dusting A battery-powered, upright vacuum sweeper comprises a base assembly and a handle pivotably attached thereto. The base assembly comprises a vacuum fan assembly fluidly communicating with an inlet for vacuuming dust and the debris particles from a surface into a remov... | 03/21/2006 |
| 6966098 | Cleaner A cleaner is provided which includes an electric dirt collection mechanism with an electrically powered dirt collection action and a wiping cleaning mechanism with a wiping cleaning action utilizing a cleaning sheet provided on the bottom surface of the main body of... | 11/22/2005 |
| 6931419 | Data management system for automatically accessing, maintaining, propagating user data among plurality of communities, each of which contains plurality of members The present community membership data management system identifies each user and their associated communities of interest. Each community has a user defined permission to access a subset of the user's data, which data is shared among some or all of the members of th... | 08/16/2005 |
| 6772472 | Eraser having selectively openable and closable aperatures An apparatus and method for collecting dust is disclosed. Preferably, the dust to be collected is chalk dust. The apparatus includes a housing supporting an eraser head and having a cavity in fluid communication with a suction device. Interposed between the cavity a... | 08/10/2004 |
| 5399381 | Protective floor cover for electric brooms A fabric covering adapted to be placed over the suction head of a conventional electric broom to prevent the scratching and/or marring of a non-carpeted floor surface. The fabric covering includes first and second opposed openings formed therethrough. The... | 03/21/1995 |
| 5074008 | Dust mop attachment for vacuum cleaners A mop adapted for attachment to a vacuum cleaner comprising a frame member and a mop element detachably secured to said frame member by a plurality of snap fasteners. The mop element has an opening therein adapted to receive a vacuum cleaner's nozzle, suc... | 12/24/1991 |
