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| Number | Title | Issue Date |
| 4990086 | System for under-cart cooling of furnace carts in tunnel furnaces A system for under-cart cooling of furnace carts in tunnel furnaces comprises a plurality of closed cooling air channels which fill the under-cart channel to the largest possible extent and are only slightly spaced from the undersides of the tent and are ... | 02/05/1991 |
| 4932778 | Autokinesis free optical instrument An optical instrument has a low powered light point source mounted on a tube for orienting light point source along a predetermined viewing axis for one eye of an observer. An optical void surrounds the point light source, including the tube. The light po... | 06/12/1990 |
| 4928339 | Pot-type bearing for constructions such as bridges or the like The width of a pot bearing seal (8) is restricted to a minimum in such manner that it seals off the gap (18) between the internal pot wall (16) of a bearing pot (2) and a bearing cap (4) of a pot bearing (14) while providing a minimum overlapping between ... | 05/29/1990 |
| 4919285 | Tamper evident closure and method of manufacture of the same A tamper evident closure for use on a container neck, the closure including a cap and separately formed security device, connector means for attachment of the security device to the cap, the security device including anchor means disposed to catch beneath... | 04/24/1990 |
| 4880114 | Package A package, in particular for use with fluorescent tubes, is open at the ends and has close to the ends naps protruding to the inside of the package. The naps protrude to the interior to such extend that the packed items, e.g the fluorescent tube, cannot s... | 11/14/1989 |
| 4875234 | Telephone The telephone comprises a housing having a pivoted panel portion which is circular in the horizontal projection, with a key block being inserted therein. The housing and the pivoted panel portion containing the key block have substantially the form of a s... | 10/17/1989 |
| 4804070 | Lockable vehicle wheel chock device An improved vehicle locking wheel chock comprising a pair of wedge shaped chocks having flat bottom ground contacting surfaces each rigidly affixed to respective end portions of a spacing bar with the chock bottom surfaces in a coplanar relationship and t... | 02/14/1989 |
| 4781489 | Assembly for bridging over expansion joints The assembly for bridging over expansion joints comprises sealing band of elastic material which bridges over the joint, which sealing band, for being secured in upward open cavities, includes thickenings substantially filling up said cavities and extendi... | 11/01/1988 |
| 4733429 | Vacuum cleaner The motor 3 of the vacuum cleaner is surrounded by the elastomeric shroud 4, which is air-tightly joined to the blower 2. The blower 2 moves the drawn in air into the space defined by the shroud, which the air can only leave through the air outlet ports 1... | 03/29/1988 |
| 4711312 | Drill bit A drill bit for use in combination with a through-the-steel drill stem, the drill bit including an elongated body portion having a bore through which cuttings may be removed, a web extending transversely across the bore for receiving a drill tip, and dril... | 12/08/1987 |
| 4678486 | Vacuum cleaner housing and dust bags therefor A vacuum cleaner housing possesses two guide means on the inner side of the end housing wall with a suction port therein in order to receive the board flange of a dust bag adjacent to the lateral housing wall. The guide means comprise guide rails each wit... | 07/07/1987 |
| 4674974 | Pot burner for liquid fuel A pot burner has a circularly cylindrical combustion space 10 with openings 60, 62, 64 in its wall for the supply of combustion air and with an inlet in its floor 32 for the liquid fuel. Concentrically in the combustion space 10 there is placed a first ca... | 06/23/1987 |
| 4656688 | Housing for a vacuum cleaner A housing for a hand vacuum cleaner having a front dust chamber and a rear motor chamber separated from each other by a baffle, a dust chamber cover linked at the baffle, and a tightly connected motor chamber cover. In the area adjacent to the motor chamb... | 04/14/1987 |
| 4649971 | Crosstie boring apparatus A boring machine for preboring holes in railway ties on which a powered conveyor is supported for movement between input and discharge ends through a boring station between the input and discharge ends to extend transversely of the conveyor path. At the b... | 03/17/1987 |
| 4642840 | Housing for a vacuum cleaner Housing for a hand vacuum cleaner, the stowage chamber in the bottom portion of the housing being made by a cavity in the housing wall for formfit holding of the accessory part and in its longitudinal dimensions being arranged perpendicular to the longitu... | 02/17/1987 |
| 4641629 | Apparatus for cooking and/or for heating of air Apparatus for cooking and/or heating of air, comprising a hearth having at least one hearth plate and a hinged cover which is arranged at the hearth for overlapping the hearth plate, the cover defining a chamber, a partition being provided between the upp... | 02/10/1987 |
| 4610494 | Flexible security loop A loop that can be easily attached to an electrical cord near the plug that will prevent accidental separation from said plug and another electrical cord plug when joined.... | 09/09/1986 |
| 4605079 | Drill bit A drill bit for use in combination with a through-the-steel drill stem, the drill bit including an elongated body portion having a bore through which cuttings may be removed through the drill stem, a web for receiving a drill tip, and a sleeve attached ab... | 08/12/1986 |
| 4600131 | Pourout fitment/closure A pourout fitment/closure that may be applied as a single unit to a container for liquids, includes a plurality of areas providing a liquid tight seal as torqued onto a container, and wherein, on removal of the closure, the fitment regulates and provides ... | 07/15/1986 |
| 4550027 | Coffee making Conventional automatic drip coffee makers require about one minute of manual involvement to commence a brewing cycle. The automatic drip coffee maker herein disclosed makes a full decanter of coffee within 11/2-2 minutes following the one minute manual involve... | 10/29/1985 |
| 4526797 | Decanter for reducing oxidation and evaporation of coffee The pot life of a quantity of decanter contained coffee is significantly increased by maintaining a substantial temperature differential between the surface of the contained coffee and the bottom contents thereof; and dispensing coffee from the bottom of ... | 07/02/1985 |
