Bizarre Patents
Apparatus for Simulating a High Five
A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
PatentStorm News
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 |
| 7921501 | Eraser for blackboard An eraser includes a housing (20) having a receiving chamber (21), a collection zone (23) and a plurality of reinforcing ribs (26), a mounting board (30) mounted on the housing, a cleaning member (40) mounted on the mounting... | 04/12/2011 |
| 7213998 | Water-supplying cleaning head A water-supplying cleaning head has a block (4) carrying a cleaning means such as bristles or an abrasive surface on the underside thereof, a threaded coupling (6) for connecting a water-supplying handle thereto and with an internal water-supplying bor... | 05/08/2007 |
| 6964078 | Surgical instrument and electrocautery tip-cleaning device A fine surgical instrument tip-cleaning device including a box-like cleaning unit that provides an outer abrasive cleaning surface and internal cleaning surfaces. The internal structure of the device consists of a transverse abrasive cleaning strut, which can be str... | 11/15/2005 |
| 6895627 | Blackboard eraser A blackboard eraser including a cube having two semi-cylindrical grooves symmetrically arranged in a longitudinal direction therein, and a central brush atop an elevated surface formed between the two grooves. A longitudinal groove is defined underneath each of the ... | 05/24/2005 |
| 6132841 | Wiping device The wiping device of the present invention comprises a thermoplastic sheet coupled with an optional absorbent core and an optional liquid impervious backsheet. The thermoplastic sheet defines a plurality of cavities including outwardly extending capillari... | 10/17/2000 |
| 5702195 | Washing brush A brush curved having a brush head with a central portion from which extend two arm or wing portions. The wing portions extend away from the central portion at a separation angle of approximately 70° to 90°, and preferably 75° to 85°, and more prefera... | 12/30/1997 |
| 4941225 | Automatic chalk-powder collecting device for blackboard eraser This invention relates to an automatic chalk-powder collecting device for blackboard eraser; it mainly comprises a body portion, two symmetrical side covers, a powder box, and a powder-collecting assembly. By means of the aforesaid structure and a one-way... | 07/17/1990 |
| 4872237 | Chalk dust remover A chalk dust remover is disclosed to remove the chalk dust which has accumulated on the surface of a chalk board cleaner. The device has a housing, a perforated support member, and a sheet of porous, open cell foam material which extends over the support ... | 10/10/1989 |
| 4742594 | Blackboard eraser An improved blackboard eraser used for automatically erasing the chalk dust comprises a housing, in which several sets of brushes and rollers in number corresponding to the brushes are installed. The rollers are made of suitable chalk-erasing material and... | 05/10/1988 |
| 4596059 | Automatic dust-removing eraser of a rolling-friction type for blackboard An automatic dust-removing eraser of a rolling-friction type for use on a blackboard includes: a casing body having an open section or cavity in the central portion; a plurality of different guiding slots vertically formed at both ends of the side walls d... | 06/24/1986 |
| 4462134 | Blackboard eraser A blackboard eraser comprising a base, an uppermost cover mounted on the base, two erasing rollers pivotedly mounted within the base, a controller and two scrapers wherein the controller normally engages with the rollers for erasing use and may be depress... | 07/31/1984 |
| 4007509 | Blackboard eraser Blackboard eraser having a handle made of foamed plastic. Discreet rows of fiberglass filaments for cleaning off the chalk are secured to the bottom of the handle. Channels between the rows collect dust during the erasing operation so that the fibers don'... | 02/15/1977 |
| 3986224 | Eraser with dust-collecting means A novel structure for a blackboard eraser is provided wherein the eraser comprises a plurality of raised rows of two or more different erasing mediums such as brushes, fiber or cloths laterally spaced and extending parallel on a base support to form an er... | 10/19/1976 |
