...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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 |
| 7434771 | Expandable support for sewer or drainage conduit The supports of the present invention further comprise a frame strut extending across a lower portion of the support frame. Two openings are defined in the frame strut which are adapted to receive ends of an expansion limiter piece. This limiter piece is generally V... | 10/14/2008 |
| 7407116 | Spray washer structure of insulator used for aircraft A spray washer structure used for attaching to an aircraft and washing insulators on high-voltage transmission lines includes a pivot seat, a core tube, an inner tube, and a nozzle. The pivot seat is supported by a plurality of legs and a rear leg that are attached ... | 08/05/2008 |
| 7191989 | Hose holder A holder for storing ribbed vacuum cleaner hoses that includes a pair of support members mounted on a support, each support member having one or more ribs to engage the ribbed surface of the hose. The ribs include a lip that prevents displacement of the hose away fr... | 03/20/2007 |
| 7013922 | Recreational vehicle attachment to secure a sewage discharge hose A one-piece body attachment guides and secures the distal end of a recreational vehicle sewage discharge hose relative to the inlet of a relatively stationary sewage receptacle. Two vertical, spaced apart, parallel sidewalls and a rigidly connected end wall form a p... | 03/21/2006 |
| 6877700 | Hose support apparatus with footings Hose support with footings. A footing may add stability to a hose support that bears a hose that connects a vehicle to a sewer. The footing may include a cavity having dimensions sufficient to accommodate a bottom portion of a leg of a hose support arch. The footing... | 04/12/2005 |
| 6619596 | RV sewer hose support A collapsible support is provided for a flexible RV sewer hose which includes in the preferred form, a plurality of pairs of identical arches. The height of each arch pair is different from the preceding arch pair to allow a sewer hose placed therein to p... | 09/16/2003 |
| 6322027 | Adjustable sprinkler stand An adjustable sprinkler stand including a sprinkler mount which is supported by three support rod sets and is provided with a threaded through hole for engaging at the top end thereof with a sprinkler and at the bottom end thereof with a water supply tube... | 11/27/2001 |
| 6102342 | Hose nozzle support A unitary structure for supporting a hose nozzle has an angled support surface formed between two generally vertical walls. The walls are attached to the ends of two legs at an angle of approximately 30° so that the legs intersect the ground at an angle ... | 08/15/2000 |
| 5971268 | I/O assembly for use with point of sale terminals and other computing systems A computer Input/Output (I/O) assembly including a stand for supporting an I/O device, such as a display or the like. The stand includes a main support member and an auxiliary support member offset from the main support member. A mechanism providing swive... | 10/26/1999 |
| 5806769 | Lawn and garden feeding and watering system A lawn and garden feeding and watering system including a timed control valve connectable to a water supply by a first supply hose; a chemical dispensing unit in fluid connection with a discharge end of the timed control valve, the chemical dispensing uni... | 09/15/1998 |
| 5727765 | Device for preventing damage to a gas pump filler gun An apparatus prevents damage to a fuel pump filler gun. An arm pivots above a gas pump. A retractable wire extends from the arm and attaches to the filler gun. The length of the wire is less than the height at which the arm pivots above the ground. If the... | 03/17/1998 |
| 5337532 | Concrete floor system A concrete floor system includes undulating sheet metal formwork for forming concrete slabs with one or more concrete ribs. The system also provides a unique type of bar chair which allows reinforcement in the form of steel rods, for example, to be droppe... | 08/16/1994 |
| 5337960 | Portable support apparatus for evaporative cooling A lightweight, portable and collapsible support apparatus for pressurized water conveyance and overhead mist spraying nozzles (88). A single rear elongated leg (2) extends outwardly to the rear of the apparatus. Two front elongated legs (3R, 3L) extend fo... | 08/16/1994 |
| 5322250 | Foldable support leg assembly A foldable support leg assembly wherein a depending leg is pivotally connected to a pair of fixedly connected bent pair of legs positioned in back-to-back relationship to form a hyperbolic configuration having a pair of upwardly divergent arm portions and... | 06/21/1994 |
| 5033702 | Hose support for waste disposal systems Apparatus is described herein for supporting a length of hose extending from an outlet such as the waste disposal outlet of a recreational vehicle to a disposal inlet. The apparatus includes a trough-like support which may be in sections supported by vert... | 07/23/1991 |
| 5031838 | Sprinkler base A lawn sprinkler base has a flat base plate with three radial arms extending from a central portion. An elbow conduit is mounted on the central portion and has threads for connection to a garden hose at one end and to a sprinkler at the top. Hooks are the... | 07/16/1991 |
| 4988063 | Support and positioning assembly for a spray nozzle A support assembly for a spray nozzle specifically structured to deliver liquid and/or cleaning chemicals under high pressure to air conditioning coils or large commercial type air conditioning units for the cleaning thereof in order to render operation o... | 01/29/1991 |
| 4824020 | Sprinkler stand A lightweight vertical support stand for a water sprinkler head comprises a central support hub and at least five flexible elongate legs attached to the support hub. The legs are pivotally attached so that they can be positioned in an extended support pos... | 04/25/1989 |
| 4722500 | Flexible hose support A support for a flexible hose which is characterized by its ability to provide a gradually sloping trough into which a flexible hose is laid and which can be set up and removed with a minimal amount of effort and in a minimal amount of time. The support i... | 02/02/1988 |
| 4715570 | Foldable drain hose support A foldable trestle for supporting a flexible drain conduit is formed of four or more stretcher sections connected end-to-end by hinge sections. The stretcher sections each comprise a pair of angle members with upright flanges spaced apart at each end by a... | 12/29/1987 |
| 4406434 | Recreational vehicle drain support A flexible sewer hose is supported in a trough made of rigid sections. Pairs of supporting members are tied together by resilient means to provide an upper diverging clamping portion and a lower pair of diverging legs. The upper clamping portion securely ... | 09/27/1983 |
| 4403758 | Waste pipe support apparatus Waste pipe support apparatus comprises two nested, trough type, semi-cylindrical tubular members which are telescopically slideable relative to each other for providing the apparatus with required extensibility and contractibility. A bail-type support leg... | 09/13/1983 |
| 4194711 | Flexible sewer line support Disclosed herein is a flexible support structure suitably fashioned to accommodate external sewer lines and water lines that are commonly used in mobile homes, campers and trailers and the like. A series of inter-connected troughs are provided with means ... | 03/25/1980 |
| 4169571 | Hose cradles A plurality of hose cradles support a sloping, flexible sewer hose. Each hose cradle includes a trough to each end of which a pair of legs is swingably connected in a manner such that the legs may be swung from vertical positions to outwardly swung horizo... | 10/02/1979 |
| 4082242 | Omnidirectional sewer hose support An omnidirectional sewer hose support comprised of a multiplicity of interconnected arches of planar form adapted to be deflected from an adjacently related stored condition and into an angular relationship and upstanding condition extended in a zig-zag f... | 04/04/1978 |