Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 7341635 | Eraser An eraser is constituted by an elastic material containing a rubber component or a resin component, and a skeleton structure for reinforcing the elastic material, and the skeleton structure is made from a porous structural material such as from an organic polymer th... | 03/11/2008 |
| 7316841 | Eraser An eraser is constituted by an elastic material containing a rubber component or a resin component, and a skeleton structure for reinforcing the elastic material, and the skeleton structure is made from a porous structural material such as from an organic polymer th... | 01/08/2008 |
| 7039981 | Orbital eraser and scratch-off card remover An orbital remover including a body assembly and a tip drive assembly. The body assembly includes a main spring. The tip drive assembly includes a tip holder, a bearing guide having a convoluted race formed on an inner surface, a bearing spring, and at least two bal... | 05/09/2006 |
| 7006540 | Method and system for providing a pulse laser The present application describes a system and method for providing a pulse laser may include a first reflector, a second reflector, a lasing module and a fast optical valve. The first reflector and the second reflector may form an optical cavity. The lasing module ... | 02/28/2006 |
| 6932531 | Writing assembly with eraser assembly A writing assembly includes a writing instrument having a first end with a marking point depending therefrom and a second, opposite end, and a cap having a first end with a receptacle defined therein and a second end, the first end of the writing instrument disposed... | 08/23/2005 |
| 6296034 | Image-forming material removing apparatus An image-forming material removing apparatus capable of continuously peeling image-forming material such as toner from the recording medium while, with simple structure, maintaining high quality will be provided. The image-forming material removing appara... | 10/02/2001 |
| 6136143 | Surface treating article including a hub A surface treating article including a hub. The surface treating article and hub provide an improved mechanical interlock to each other. Preferably, the unitary surface treating article is molded to the hub.... | 10/24/2000 |
| 6083345 | Tool for removing adhesive residues or the like from substrates A tool for removing adhesive residues, films or the like from a metal surface contains a shank, which can be rotated by a drive mechanism. A disk made from rubber or a plastics material is clamped in non-rotary manner to the shank.... | 07/04/2000 |
| 6047758 | Method for repeatedly using image holding member In a method for repeatedly using an image holding member such as a sheet of paper, toner for an electronic photograph is constructed such that a maximum value of viscoelasticity of the toner shown by tan δ is equal to or smaller than 3 in the range of a ... | 04/11/2000 |
| 5879504 | Portable apparatus for removing heat softenable surface coverings A soft elastomeric disc for removal of polymeric compositions from an underlying substrate. The disc is useful for removing decorative decals, stripes, graphics, emblems, protective moldings, paint and adhesive and is made from a filled elastomeric compos... | 03/09/1999 |
| 5507059 | Automatically feeding electrically powered eraser An electrically powered eraser accepts an elongate circularly cylindrical erasing element between three driving rollers symmetrically arrayed about the erasing element with axes angulated to the axes of the other driving cylinders and to the axis of the e... | 04/16/1996 |
| 5490898 | Coating film transfer tool A coating film transfer tool having a structure for allowing use as a kind of so-called writing tool and replacement of a coating film transfer tape. By placing a coating film transfer head in a coating film transfer tape replacement position, a coating f... | 02/13/1996 |
| 5430904 | Paint film transfer device An instrument for transferring coating film onto a surface requiring transfer printing. An instrument of this invention for transferring coating film is in such a structure that: a transfer head (4) is composed of a pressing body (4A) having a tape pressi... | 07/11/1995 |
| 5311630 | Rotary eraser A rotary eraser has a simple structure, is extremely capable of erasing a letter or other printed material, and facilitates an adjustment of the position of the erase. The rotary eraser includes a cylindrical body, an eraser holder which holds a rod erase... | 05/17/1994 |
| 5269874 | Portable apparatus for removing heat softenable surface coverings A soft elastomeric disc for removing polymeric compositions from an underlying substrate. The disc is useful for removing decorative decals, stripes, graphics, emblems, protective moldings, paint and adhesive.... | 12/14/1993 |
| 5105497 | Electric eraser An improved electric eraser that prevents crumbs from scattering, confines them in a small area around the rotating eraser, and collects crumbs in a removal container simultaneously while erasing, consisting of a suction pipe to prevent crumbs from scatte... | 04/21/1992 |
| 5084937 | Eraser crumb cleaner An eraser crumb cleaner held in hand like a writing pen for collecting eraser crumbs and the like simultaneously while erasing, consisting of an eraser holder; a suction pipe to suck and transport the crumbs from the collection points to the removable con... | 02/04/1992 |
| 4979254 | Eraser feeder An eraser mover for use with a power eraser comprising mechanical means for sliding the eraser out of its holder by inserting prongs into the eraser and moving the prongs outwardly.... | 12/25/1990 |
| 4901391 | Hearing aid canal cleaning apparatus A motor operated, hand held apparatus for dislodging and removing of accumulated earwax within the canal of a hearing aid. This apparatus utilizes a narrow elongated tool which has a spiral exterior surface which is to be inserted within the canal of the ... | 02/20/1990 |
| 4866319 | Erasing machine A hand-held, motor-driven erasing machine which operates directly from the nominal wall outlet voltage and comprises a generally tubular housing having a front portion and a rear portion which are releasably attached together. A chuck tube is mounted for ... | 09/12/1989 |
| 4817226 | Rotatively rubbing eraser An eraser includes: a guiding holder having a pair of helical grooves formed inside the holder, and a sleeve holding an eraser stick in the sleeve having a pair of protruding beads formed on the sleeve helically engaging the pair of helical grooves in the... | 04/04/1989 |
| 4037283 | Electric stippling device An electric stippling device includes a housing within which is positioned an electric motor, a rotatable eraser member operably connected to the motor for rotation therewith and a stippling shaft member operably connected to an opposite end of the motor ... | 07/26/1977 |
| 3940818 | Air blowing machine A motor driven machine, such as a machine capable of holding and imparting movement to a tool, for example, which may be an eraser strip that is brought to bear upon a surface, such as a paper surface, for erasure of undesirable markings therefrom. The ma... | 03/02/1976 |
