...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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 |
| 7293430 | Press molding apparatus and press molding method of optical element A press molding apparatus includes upper and lower molding dies each having a molding surface facing each other, and a driving device which moves at least one of the upper and lower molding dies in a vertical direction so that the upper and lower molding dies are op... | 11/13/2007 |
| 6813906 | Method and apparatus for preparation of molded glass A molded glass article manufacturing device, having a means of forcefully separating a molded glass article attached to the forming surface of an upper mold or a lower mold, and readily and reliably aligning the axes of the upper mold and lower mold, a molded glass ... | 11/09/2004 |
| 4973347 | Apparatus for cooling of a mold of an IS machine or an RIS machine for producing hollow glass articles A cooling apparatus for one or more molds on an IS or RIS machine for the production of hollow-glass articles has a cooling chamber below the or each mold subdivided into upper and lower parts at a horizontal planar point with the upper part being detacha... | 11/27/1990 |
| 4836838 | Apparatus for molding glass articles In an apparatus for molding glass articles, a plurality of processing chambers including a heating chamber, a press chamber and a cooling chamber are arranged in order along a predetermined circular transport path. The processing chambers are surrounded b... | 06/06/1989 |
| 4273567 | Method and apparatus for forming glass parisons A single mold and plunger set is programmed to form a parison within each of a plurality of neck rings which are continuously successively presented along a linear path. The mold, which is positioned below the linear path of said continuously successively... | 06/16/1981 |