Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 7961561 | Handless time display A clock assembly FIGS. 1.a. (1) and 1.b. (6), comprising a normal clock mechanism FIG. 2. (10), having numbers one to twelve equidistantly placed around the perimeter of a wheel FIG. 2. (11) in as... | 06/14/2011 |
| 6967900 | Combination clock radio, weather station and message organizer A combination clock radio, weather station and message organizer includes a base unit having a visual display, a controller located in the base unit including a central processor for controlling operation of the combination, and a temperature sensor for obtaining ou... | 11/22/2005 |
| 6898154 | Clock-driving device combined with a conventional core A clock-driving device combined with a conventional core that takes advantage of conventional quartz oscillation comprises providing a magnet on the hand of the conventional core and providing a reed sensing device in the moving path of the magnet. When the magnet e... | 05/24/2005 |
| 4568197 | Time piece A time piece comprising a cylindrical casing formed of transparent material which is closed at its bottom end by a bottom cover on which is mounted a clock movement whose output spindles are drivingly connected by plates to respective drum-like members pr... | 02/04/1986 |
| 4430004 | Multi-faced clock A clock which includes a member which rotates in a time dependent manner and which has a substantially cylindrical periphery about the axis of generation which has disposed thereabout two axially spaced sets of clockwise sequenced indicia indicative of th... | 02/07/1984 |
| 4423965 | Elongated clock An elongated clock includes a pair of adjacent, cylindrical, rolls providing one roll with five minute segments indicated and a second roll with twelve hours of morning and evening indicated. These rolls are mounted about a shaft connected with a constant... | 01/03/1984 |
| 4192136 | Adjustment of readout members in a digital clock A digital readout apparatus includes a housing, a plurality of members providing, respectively, a presentation of units-of-minutes, tens-of-minutes, and hours, a shaft for supporting the members within the housing for movement in rotation imparted either ... | 03/11/1980 |
| 4178752 | Shutter type digital clocks The clock comprises a display substrate having hour, ten minutes and minute display members each constituted by a plurality of display digit openings which are arranged in the form of a letter 8, a light diffusion plate situated on the back of the display... | 12/18/1979 |
| 4151669 | Leaf type indicating device A leaf type indicating device provided with a synchronizing piece made of a spring material, rotatably mounted on a main shaft and having a side portion engageable with a lug formed on one leaf belonging to a first indicating leaf group having a large num... | 05/01/1979 |
| 4092823 | Timepiece having display cylinders At least one cylinder driven at a constant speed is contained in a casing and a dial plate mounted on the casing is provided with a window extending in the direction of the cylinder. The upper edge of the window is marked with digits. The outer periphery ... | 06/06/1978 |
| 4060972 | Digital clock A digital time indicating clock with minutes, tens of minutes and hours numeral indicating drums arranged in an array, in which intermittent rotations of the minutes drum as driven by a clock mechanism are transmitted sequentially intermittently to the te... | 12/06/1977 |
| 4005570 | Leaf-type digital clock A leaf-type clock driven by a intermittent and segmental rotation by using so called Geneva-gear mechanism to cause turning-over of the time- and minute-indicating leaves is disclosed. This leaf-type clock has the advantages that number of the leaves may ... | 02/01/1977 |
| 3972179 | Changeable display device Automatic indicia changer, such as a clock-calendar for displaying months, days of the month, days of the week, hours and minutes, comprises a plurality of series of plates bearing the various indicia, each series being rotatable about its axis under the ... | 08/03/1976 |
| 3950939 | Digital display with stepping device A twenty-four hour digital display in which the numerals for the display are carried by a 1-hour barrel and a 10-hour barrel which are stepped by a stepping device. A steppable visor driven in steps by the 10-hour barrel covers part of the time the 1-hour... | 04/20/1976 |
