Bizarre Patents
Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
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 |
| 8336967 | Method of tapering bristles for toothbrushes, and toothbrush having bristles manufactured by said method The present invention provides a method of tapering bristles for toothbrushes and a toothbrush having bristles manufactured using the method. One method disclosed in the present invention includes setting bristles made of polyester in a head insert, and fastening th... | 12/25/2012 |
| 8333436 | Processing method for taper of needle-shaped bristle enhanced throughput The present invention relates to a method of tapering a toothbrush bristle which increases production efficiency. The method includes the steps of cutting bundles of toothbrush bristles; and non-directionally immersing the entire cut bundles of toothbrush bristles i... | 12/18/2012 |
| 8186765 | Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by the same The present invention provides a method of manufacturing a toothbrush having needle-shaped bristles and a toothbrush manufactured using the method. The method of the present invention includes the step of grinding bristles, which have been set in a head part of a to... | 05/29/2012 |
| 8172337 | Toothbrush having needle-shaped bristles with various end points and manufacturing method thereof A toothbrush having needle-shaped bristles with various end points and a method of manufacturing the same. The needle-shaped toothbrush bristle, folded in an asymmetric U-shape to outwardly expose both ends thereof at a height difference ranging from 0.5 to 2 mm and... | 05/08/2012 |
| 8136889 | Needle-shaped bristle and method of manufacturing the same The present invention provides a needle-shaped bristle and a method of manufacturing the needle-shaped bristle. The manufacturing method of the present invention includes the steps of cutting and removing a packing sheet, which is wound around a bundle of bristles, ... | 03/20/2012 |
| 8029069 | Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by the same The present invention provides a method of manufacturing a toothbrush having needle-shaped bristles, and a toothbrush manufactured by the method. The toothbrush manufacturing method of the present invention includes the step of partially tapering ends of bristles, w... | 10/04/2011 |
| 7938492 | Toothbrush having pressure relief unit and method of producing same Disclosed are a toothbrush and a method of producing the same. The toothbrush of the present invention includes a pressure relief unit installed in a head part of the toothbrush. The unit has a plate shape and a predetermined size sufficient to cover bristles set in... | 05/10/2011 |
