Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7247802 | Scale pan designed to pass RF signals with minimal interference A checkout station comprises a deactivation system having an antenna for transmitting a signal to the security feature on a product passing over the checkout station to deactivate the security feature and a scale for weighing the product at the checkout station. A c... | 07/24/2007 |
| 7227088 | Balance with a draft shield A balance is equipped with a draft shield that surrounds a weighing compartment and has at least one sidewall which can be designed to be slidable to allow the draft shield to be opened and closed. An access opening is provided in the sidewall, and a closure element... | 06/05/2007 |
| 7193164 | Draft protection for a scale with side panels that slide through groves of both the hinged flip top and a partial front rear top frame A draft protection device for a balance and a balance equipped with the draft protection device, wherein the draft protection device includes front and rear panels, two side panels and a top panel, and four posts which are fixedly mounted on a top cover of the balan... | 03/20/2007 |
| 7145086 | Electronic balance A floor portion separates a weighing chamber encircled by a windshield case and accommodating a weighing pan, and a balance body accommodating a load detecting section, an incorporated weight, etc. A plurality of vents is provided through the floor portion. A movabl... | 12/05/2006 |
| 6998544 | Roll-top shield for weighing scales A roll-top shield for weighing scales including a stationary hood 11 and a rotatable hood 12, both being made of a transparent material. Right and left side walls of the rotatable hood 12 are rotatably secured to right and left side wall of the ... | 02/14/2006 |
| 6965083 | Scale for weighing blister packs that contain powder In a balance (10) for weighing blister packs (50) in the microgram weight range, its balance pan (12, 14) is designed in such a way that field forces (70) caused by an electric field act practically exclusively on the balance pan (12, ... | 11/15/2005 |
| 6962454 | Keyboard protective cover A protective cover or envelope for a keyboard array that prevents entry of contaminants such as water, foodstuffs, chemical compounds, including medical or pharmaceutical compositions in the form of fluids or solids, dust and the like into the interior of the keyboa... | 11/08/2005 |
| 6909057 | Balance with draft shield A balance with a draft shield enclosing a weighing pan (33) has slidable walls (6, 7, 8) with slide handles (10, 110, 210) to open and close the weighing compartment (2). A connector body (22) serves to couple non-adjoining slidabl... | 06/21/2005 |
| 6844507 | Draft protection device for a balance, and balance equipped with the draft protection device A draft protection device (2) has a wind-blocking body (20; 21) that consists of at least two panel elements (20A,20B, 20C; 21A, 21B) and partially encloses the weighing compartment of a balance (1) in which a ... | 01/18/2005 |
| 6787530 | Use of pregnane-diones as analgesic agents A composition when used as an analgesic comprising a metabolite of a compound of Formula II wherein R1 is H or Me, R2 is OH, R3 is H; or R2 and R3, taken together, are O; R | 09/07/2004 |
| 6784380 | Sample changer for a balance A sample changer for a balance (1) with a weighing pan (18) has at least two sample carriers (3) that are spaced apart from each other. Each sample carrier is configured to receive at least one weighing-object unit and transport the weighing-obj... | 08/31/2004 |
| 6686545 | Balance with a weighing compartment A balance (1) has a weighing compartment (4) that borders on a stationary part (8, 9) of the balance and is otherwise enclosed by at least one side wall panel (5, 6), a front wall panel (7), and a top cover panel (12). At least one of the side wall and to... | 02/03/2004 |
| 6583369 | Scale with a transiently visible display A scale with a transiently visible display includes: an enclosure having an upper surface; a measurement device disposed in the enclosure; and a display coupled to the measurement device and attached to the enclosure beneath the upper surface, the display... | 06/24/2003 |
| 6504112 | Analytical balance with wind guard An analytical balance includes a balance housing having a base area and back structure, a balance scale, and a wind guard encircling the balance scale. The wind guard includes a base surface formed by the base area, a back wall formed by the back structur... | 01/07/2003 |
| 6246018 | Balance with motor-driven wind guard A balance with a wind guard moved by a motor whereby the position of the moveable walls of the guard are monitored by a sensor. An electronic memory is provided for the desired end position of the moveable wall element. The desired end position of the rem... | 06/12/2001 |
| 5874694 | Weighing apparatus including wind screen means A windscreen for a weighing scale apparatus includes a base, stationary vertical front and rear walls, a horizontal top wall, and a pair of opposed slidable side walls adapted to cooperate with the base, front, rear and side walls to define a weighing cha... | 02/23/1999 |
| 5669522 | Fastener arrangement for an enclosure An enclosure for housing electronic circuitry having a base and a cover with side walls includes a non-exposed fastening mechanism for securing, sealing, centering, and releasing the cover relative to the base. The fastening mechanism includes a ledge on ... | 09/23/1997 |
| 5345043 | Weighing scale having a removable top wall A weighing scale housing has a top cover wall removably fastened to the housing rear wall, whereby after the top wall has been unfastened and removed from the rear wall, the transparent side and front walls of the housing may be removed from the housing b... | 09/06/1994 |
| 5298688 | Weighing scale housing having movable parallel wall segments A top or side wall of a weighing scale housing includes a plurality of relatively movable segments that are slidably displaceable between closed and open positions, thereby to afford access to a weighing chamber defined within the housing, at least the lo... | 03/29/1994 |
| 5285021 | Weighing apparatus including side wall operation means Weighing apparatus of the windscreen type including a housing having a pair of vertical side walls that are movable between opened and closed positions relative to the housing, thereby to afford access to a weighing pan contained within the housing weighi... | 02/08/1994 |
| 5264667 | Weighing apparatus having improved windscreen means A weighing scale housing (9) includes a base (21), vertical front (19), rear (17), and side (23,25) walls cooperating with the base to define a weighing chamber (3) containing a movable weighing pan (5), characterized in that at least one of the side wall... | 11/23/1993 |
| 5170855 | Draft protection device for a precision balance A draft protection device for a precision balance includes a base and a stationary rear wall connected to the base. The top of a front pane is connected through two connecting bars to the rear wall. The draft protection device further includes two sliding... | 12/15/1992 |
| 5074369 | Electronic weighing apparatus having protective cover means Electronic weighing apparatus (3) is provided including a transparent cylindrical cover member (13) defining a weighing chamber (1) within which the load weighing pan is contained. The cover member contains an access opening (16) and is rotatable about it... | 12/24/1991 |
| 5058692 | Balance with motor-driven wind guard A balance with a wind guard moved by a motor whereby the position of movable walls of the guard are monitored by a sensor. An electronic memory is provided for the desired end position of the movable wall elements. The desired end position of the removabl... | 10/22/1991 |
| 4921058 | Weighing apparatus with protective wind screen means A protective wind screen (9) for weighing scales is provided that is of hollow generally tubular construction adapted for vertical mounting on the upper surface (15) of the scale housing (3) concentrically about the movable weighing pan (7). The wind scre... | 05/01/1990 |
| 4862979 | Combination dust cover and air screen A hinged dust cover used in combination with an electronic balance whereby the cover converts to an air screen during weighing operations. In the fully closed position the cover protects the weighing pan and various controls and displays from the ingress ... | 09/05/1989 |
| 4821821 | Electrostatically shielded laboratory balance An electronic microbalance shielded against static effects by surrounding the balance pan with a glass or plastic material which has an electrically conducting antistatic surface on the shield.... | 04/18/1989 |
| 4798250 | Balance with wind guard A wind guard for a balance is suggested which consists of at least two cylindrically curved wall elements, in which each wall element is connected to a corresponding segment of the circular covering surface. In this manner, the balance scale is readily ac... | 01/17/1989 |
| 4789034 | Analytical balance The moving housing parts of an analytical balance are couplable with drive apparatus, which receives the appropriate control commands for opening or closing, for instance, from sensors operating in a contactless fashion. Proximity sensors or voice control... | 12/06/1988 |
| 4762190 | Weighing apparatus including wind shielding means A weighing apparatus is provided with a wind shielding arrangement for protectively enclosing a load-receiving scale member. A plurality of symmetrical curvilinear concave transparent shell-like wind shield sections of unequal diameters of generation are ... | 08/09/1988 |
| 4700793 | Precision balance A precision balance including sliding side doors and an upper cover forming the weighing chamber of the balance. The side doors and the cover can be moved individually or coupled together either manually or driven by a motor. Side parts of the support mem... | 10/20/1987 |
| 4664207 | Balance with a protective box-like structure In a balance, having a top mounted scale that is protected by a box-like structure (2) consisting of glass, is set on the housing base (1) of the balance. The box-like structure encloses a weighing area (5) on all sides around the balance scale (28) of th... | 05/12/1987 |
