Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 4629489 | Method of manufacturing pressed lenses A method of manufacturing a pressed lens based upon the discovery that a high quality lens may be molded despite the fact that the lens is cooled without pressure being applied to the mold. A lens preform is inserted into the pressing mold and pressure is... | 12/16/1986 |
| 4624534 | Acoustooptic deflection device capable of reducing a reflection loss over a wide frequency band In an acoustooptic deflection device, a plurality of split light beams are produced from a beam splitter in response to a single incident light beam and projected onto partial deflectors comprising acoustooptic medium blocks and transducers attached to th... | 11/25/1986 |
| 4625009 | High-hydration contact lens A high-hydration contact lens having a high strength is disclosed which is made of a copolymer composed of (i) 40 to 90 wt. % of N,N-dimethyl acrylamide, (ii) 5 to 50 wt. % of a hydrophobic monomer, (iii) 0.1 to 10 wt. % of an unsaturated carboxylic acid ... | 11/25/1986 |
| 4621889 | Camera filter A camera filter is provided with an ultraviolet ray absorbing substrate, on which is deposited an evaporated film which transmits blue and green light, but which sharply attenuates a portion of the red light in the higher wavelength range. Particularly, t... | 11/11/1986 |
| 4612295 | Glass for eye glass lens A glass for an eye glass lens comprising a SiO2 (or B2 O3)-CaO-Nb2 O5 system as a basic system and having a refractive index of 1.79 or more, an Abbe number of 32 to 38 and a specific gravity of less ... | 09/16/1986 |
| 4592621 | Acoustooptic modulation element and system for acoustooptically carrying out modulation of a plurality of parallel beams by the use of a single acoustooptic medium Responsive to a plurality of parallel light beams and electric signals corresponding to the parallel light beams, an acoustic modulation element produces output light beams modulated by acoustic waves resulting from the electric signals. The element compr... | 06/03/1986 |
| 4590128 | Thin film EL element An electroluminescence element has a luminescence layer sandwiched between a transparent electrode and a back electrode so as to generate luminescence upon an application of an electric field between the transparent and back electrodes, wherein a light re... | 05/20/1986 |
| 4589118 | Method of optical pumping of erbium-doped laser material and apparatus therefor A method of optical pumping of an erbium laser and an apparatus therefor with an erbium laser medium, a light source for side-pumping the erbium laser medium, a neodymium laser medium for emitting a laser beam upon optical pumping by the light source, and... | 05/13/1986 |
| 4568651 | Glass for multi-focal eyeglass lens A glass for multi-focal eyeglass having a refractive index (nd) of 1.74 to 1.78, an Abbe number (.nu.d) of 31 or more, a coefficient of thermal expansion of 82 to 95×10-7 and a softening point of 560° to 640° C., compri... | 02/04/1986 |
| 4563205 | Process for the production of slab-shaped lens having gradient of refractive index in thickness direction only A process for the production of a slab-shaped lens having a gradient of refractive index only in the direction of thickness thereof is described, comprising stuffing a solution of dopant into micropores of a plate-shaped porous glass product with or witho... | 01/07/1986 |
| 4563407 | Photo-mask blank comprising a shading layer having a variable etch rate In a photo-mask blank comprising a transparent substrate member and a shading layer of chromium covered on a principal surface of the substrate member, the shading layer has a first portion adjacent the principal surface and etched at a first etch rate an... | 01/07/1986 |
| 4562162 | Glass for multi-focal eyeglass lens A glass for multi-focal eyeglass having a refractive index (nd) of 1.67 to 1.73, an Abbe number (.nu.d) of 33 or more, a coefficient of thermal expansion of 82 to 95×10-7 and a softening point of 560° to 640° C., compri... | 12/31/1985 |
| 4560666 | High strength glass-ceramic containing apatite and alkaline earth metal silicate crystals and process for producing the same A high strength glass-ceramic containing apatite and alkaline earth metal silicate (diopside/forsterite/akermanite) crystals having an excellent affinity for a living body and a process for producing the same are disclosed. The glass-ceramic is useful as ... | 12/24/1985 |
| 4549789 | Light beam deflector emitting a pair of output light beams on planes intersecting to each other In a light beam deflector comprising an acoustic medium supplied with an incident light beam along an optical axis to selectively emit a pair of first-order diffracted output beams and first and second transducers selectively energized by an electric sign... | 10/29/1985 |
| 4549895 | Method and apparatus for melting glass A glass melting apparatus is provided with a melting tank, a refining tank and a working tank wherein the melting tank is operatively connected to the refining tank by a temperature control connecting pipe for intermittently supplying molten glass from th... | 10/29/1985 |
| 4547402 | Method of increasing the thermal shock resistance of phosphate laser glass A method of increasing the thermal shock resistance of a phosphate laser glass is described, comprising coating the surface of the glass with a sol solution which is prepared by hydrolyzing at least one organometallic compound dissolved in an organic solv... | 10/15/1985 |
| 4525189 | Process for producing glass product having gradient of refractive index A process for producing a glass product having Ɗn, the difference between the central and peripheral portions of the glass, greater than 0.04. This process utilizes a porous glass body which is produced via a phase separation technique. A dopant selected... | 06/25/1985 |
| 4521524 | Contrast enhancement filter for color CRT display devices A glass filter for contrast enhancement in a color CRT display devices comprises 100 parts by weight of a base glass comprising, in % by weight 3 to 70% SiO2, 0 to 40% B2 O3, 0 to 23% Al2 O3, 0 to 23% R2 | 06/04/1985 |
| 4488037 | Automatic focusing binocular An automatic focusing binocular is herein disclosed in which a light, signifying the inability of the automatic focusing system to operate due to the lack of available light contrast, is provided within the user's field of vision as he looks through the b... | 12/11/1984 |
| 4481299 | Optical glass An optical glass comprising, in % by weight 21.0 to 35.0% SiO2 ; 0 to 10.0% B2 O3 ; 0 to 4.0% Al2 O3 ; 0.5 to 4.0% Li2 O; 33.0 to 55.0% BaO+SrO+CaO+MgO+ZnO, with the proviso of 19.0 to 45.0% BaO, 0 to 15.... | 11/06/1984 |
| 4468102 | Lens shade A camera lens shade made of a flexible material and having the shape approximately of a hollow cylinder. One open end of the lens shade faces the object to be photographed, while the other open end thereof has means for engagement with a shade support whi... | 08/28/1984 |
| 4444616 | Method for exposure of chemically machinable light-sensitive glass A method for irradiating a chemically machinable light-sensitive glass plate with a parallel bundle of ultraviolet rays so as to form tapered holes or slits in the glass plate. A mask having a desired shaped opening is mounted on the light-sensitive glass... | 04/24/1984 |
| 4439530 | Optical glass An optical glass comprising, in % by weight, 18 to 38% P2 O5 ; 3 to 30% Na2 O+K2 O, with the proviso of 0 to 30% Na2 O and 0 to 30% K2 O; 8 to 65% PbO; 1 to 45% Ta2 O5 ; 0 to 20% Nb | 03/27/1984 |
| 4436386 | Binoculars housing A housing for binoculars including split upper and lower housing halves which entirely protects the main body of a binoculars including the left and right optical systems, the focusing mechanism and the eyepiece adjustment mechanism. Ocular and objective ... | 03/13/1984 |
| 4415464 | Faraday rotation glass A Faraday rotation glass comprising, in mole %, where RF includes at least 3% BaF2, 0 to 64% MgF2, 0 to 32% NaF, 0 to 40% SrF2, 0 to 26% CaF2, 0 to 20% LiF and 0 to 20% KF.... | 11/15/1983 |
| 4403043 | Glass for photoetching mask A glass composition for a photoetching mask is described, which comprises, all by mol, 55 to 70% SiO2, 7 to 11% Al2 O3, 7 to 20% CaO, 3 to 13% MgO, 3 to 13% ZnO, 0.5 to 3% K2 O or Na2 O, 0 to 11% PbO ... | 09/06/1983 |
| 4391916 | Alkali-free glass for photoetching mask An alkali-free glass composition for a photoetching mask is described, which comprises, all by mol, 55 to 65% SiO2, 7 to 11% Al2 O3, 1 to 11% PbO, 7 to 20% CaO, 3 to 13% MgO, 3 to 13% ZnO, 0 to 3% ZrO2, 0 to 3% ... | 07/05/1983 |
| 4390391 | Method of exposure of chemically machineable light-sensitive glass A method for irradiating a chemically machinable light-sensitive glass plate with a parallel bundle of ultraviolet rays so as to form a tappered polygonal hole in the glass plate. A mask having a regular polygonal opening having n vertexes is mounted on a... | 06/28/1983 |
| 4390242 | Detachable camera filter holder capable of being connected in series with a like filter holder A filter holder in which two or more filter mounts can be used together and in which the filters are rotatably mounted. The filter holder is composed of a holder body having an aperture therein and an adapter ring for mounting the holder body to a camera ... | 06/28/1983 |
| 4363852 | Coated phosphate glass A phosphate glass having coated directly on the surface thereof a layer of a fluoride. The glass is particularly suitable as a laser glass.... | 12/14/1982 |
| 4311364 | Camera filters and a method of making the same A filter for a camera comprises a filter plate, and a split frame formed from a thermoplastic synthetic resin and holding the filter plate therein. The frame is composed of an internally threaded front portion and an externally threaded rear portion adapt... | 01/19/1982 |
| 4305757 | Antiblurring glass A glass for use as an optical glass having an anti-blurring property, water resistance and hardness and decreased liquidus temperature, said glass consisting essentially of, in mol. %, 47 to 65% P2 O5, 0.5 to 12% SiO2, 0.5... | 12/15/1981 |
| 4303298 | Near infrared absorption filter for color television cameras A near infrared absorption filter for color television cameras, comprising (a) a base glass comprising, in % by weight based on the weight of the base glass, 50-78% P2 O5, 10-50% BaO, 0-7% Al2 O3, 0-6% B2 ... | 12/01/1981 |
| 4293187 | Binocular optical system with automatic focussing Binoculars including an automatically focussed optical system in which portions of the two incoming light beams are diverted to an automatic focussing module by two mirrors, one of which is fixed and the other movable. The movable mirror is adjusted until... | 10/06/1981 |
| 4288250 | Glass filter for contrast enhancement in CRT displays A green contrast enhancement filter for CRT display devices which is prepared by adding about 0.1 to 1.5 part by weight of Cr2 O3, about 0 to 0.5 part by weight of CuO and about 0 to 0.2 part by weight of NiO to 100 parts by weight o... | 09/08/1981 |
| 4284325 | Eye span adjustment mechanism for binoculars Binoculars including an eye span adjustment mechanism and an automatic focussing feature. A pair of guide rails is disposed laterally in the binoculars housing. Drive rods threadedly engaged with the lens barrels are movable along the guide rails to move ... | 08/18/1981 |
| 4262988 | Binoculars with automatic focusing system Binoculars including an automatic focusing system with light entry windows on both sides of the binoculars provided outwardly of the objective lenses. Movable and fixed reflecting elements are disposed inwardly of the light entry windows both of which dir... | 04/21/1981 |
| 4229220 | Edge-coating glass for laser disks A glass for coating a laser glass and which has a high absorption for laser light which comprises, in mol %, 51 to 59% P2 O5 ; 0 to 8% B2 O3 ; 4 to 10% Al2 O3 ; 0 to 20% Li2 O; 0 to ... | 10/21/1980 |
| 4217382 | Edge-cladding glass of disc laser glass A glass for edge-cladding a disc laser glass, comprising, in mol%, followed in parentheses by wt % value,... | 08/12/1980 |
| 4179300 | Optical glass An optical glass having a refractive index of 1.66 to 1.77 and an Abbe number of 30 to 50 and superior chemical stability, which comprises, in % by weight, 30 to 45% SiO2 ; 0 to 6% B2 O3 ; 1 to 5% Li2 O; 0 to 4% Na | 12/18/1979 |
