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 |
| 8163065 | Carbon dioxide permeable membrane A carbon dioxide permeable membrane is described. In some embodiments, the membrane includes a body having a first side and an opposite second side; a plurality of first regions formed from a molten carbonate having a temperature of about 400 degrees Celsius to abou... | 04/24/2012 |
| 8128071 | Method and apparatus for improved gas/fluid contact A spray tower (20) for improving contact between a gas stream (22) and a fluid (24). The spray tower (20) includes a tank (26) having an inlet (32) and an outlet (34), and a plurality of spray nozzles (28) posi... | 03/06/2012 |
| 8109053 | Door frame assembly A welded door frame assembly including a hinge jamb joined to a lock jamb via a frame head jamb, all of which are joined with existing studs and an existing wall. The hinge jamb has a bottom end and a top end and includes a door side base, a door contact flange, and... | 02/07/2012 |
| 8052766 | Device and method for cleaning selective catalytic reduction protective devices One embodiment described herein relates to a system for removing pollutants from a flue gas. The system includes a selective catalytic reduction (SCR) system having a SCR reactor containing a NOx reducing catalyst and one or more SCR protective devices. A... | 11/08/2011 |
| 8043594 | Systems and methods for generating sulfuric acid Methods and systems for generating sulfuric acid are disclosed. In some embodiments, the method includes combusting a sulfur-containing material with a gas including oxygen to produce a first stream of sulfur dioxide, mixing water with the first stream of sulfur dio... | 10/25/2011 |
| 7997928 | Multi-position coaxial connector system Systems for connecting RF coaxial cables are disclosed. In some embodiments, the systems include the following: a plug including a D-sub housing having two rows of eight RF coaxial contacts and a plurality of protrusions extending therefrom; a receptacle including a... | 08/16/2011 |
| 7947239 | Carbon dioxide capture and mitigation of carbon dioxide emissions The present invention describes methods and systems for extracting, capturing, reducing, storing, sequestering, or disposing of carbon dioxide (CO2), particularly from the air. The CO2 extraction methods and systems involve the use of chemical ... | 05/24/2011 |
| 7909911 | Carbon dioxide permeable membrane A carbon dioxide permeable membrane is described. In some embodiments, the membrane includes a body having a first side and an opposite second side; a plurality of first regions formed from a molten carbonate having a temperature of about 400 degrees Celsius to abou... | 03/22/2011 |
| 7872839 | Systems, methods, and devices for controlling a serial arc fault in an electrical circuit Methods, systems, and devices for controlling a serial arc fault in an electrical circuit are disclosed. In some embodiments, the methods include the following: a. measuring a current in the circuit; b. determining whether the current is below a predetermined value;... | 01/18/2011 |
| 7857729 | Automated striking and blocking trainer with quantitative feedback An automated striking and blocking trainer is disclosed. In some embodiments, the trainer includes the following: a frame; a striking body joined with the frame, the punching bag including one or more strike zone assemblies, the strike zone assemblies each having a ... | 12/28/2010 |
| 7828781 | Implantable dialysis access port An implantable access post having a port casing core with an aperture therethrough, a patch associated with the port casing core, the patch adapted to be sewn to a vessel to connect the port casing core to the vessel to permit fluid communication from the vessel thr... | 11/09/2010 |
| 7799310 | Systems and methods for generating sulfuric acid Methods and systems for generating sulfuric acid (102) are disclosed. In some embodiments, the method includes combusting a sulfur-containing material (114) with a gas including oxygen (116) to produce a first stream of sulfur dioxide (118 | 09/21/2010 |
| 7785552 | Method and system of controlling sulfur oxides in flue gas from coal or oil-fired boilers A method of removing SO3 from a flue gas of a boiler. The method includes the following steps: injecting chloride salts into a stream of the flue gas at a position located downstream of an air pre-heater—the position is selected so that the flue gas has... | 08/31/2010 |
| 7766997 | Method of reducing an amount of mercury in a flue gas The subject matter disclosed herein relates to a method of reducing an amount of mercury discharged to an environment in a flue gas (12) generated by combustion of a fuel source. The method includes contacting the flue gas with a moist pulverous material upst... | 08/03/2010 |
| 7704458 | Reaction plate adaptor apparatus A reaction vessel support device for mounting on a magnetic stirrer hotplate. The modular device comprises a base unit capable of positioning and seating at the reaction hotplate, and an insert formed non-integrally with the base unit comprising a reaction vessel re... | 04/27/2010 |
| 7699909 | Systems and methods for extraction of carbon dioxide from air The present invention describes methods and systems for extracting, capturing, reducing, storing, sequestering, or disposing of carbon dioxide (C02), particularly from the air. The CO2 extraction methods and systems involve the use of chemical ... | 04/20/2010 |
| 7698825 | Automatic solar compass The most accurate method of finding the true north is through astronomical observations, for example, by observing the position of the sun. However, the procedure is complicated. The instantaneous position of the sun must be calculated from astronomical data for eac... | 04/20/2010 |
| 7649372 | Die design with integrated assembly aid Methods and systems for inserting and replacing swaged probe pins in a lower die portion of a head having an array of micro-holes for receiving the probe pins are disclosed. The methods and systems include the following: swaged probe pins including substantially cyl... | 01/19/2010 |
| 7625537 | Integrated dry and wet flue gas cleaning process and system A process and system for removing sulfur oxide, other gases, and particulate from a flue gas. The process includes treating flue gas with a slurry formed from water, an alkaline reagent, and the purge stream from a wet scrubber in a spray dryer, thereby producing a ... | 12/01/2009 |
| 7621083 | Door frame assembly A welded door frame assembly including a hinge jamb joined to a lock jamb via a frame head jamb, all of which are joined with existing studs and an existing wall. The hinge jamb has a bottom end and a top end and includes a door side base, a door contact flange, and... | 11/24/2009 |
| 7585307 | Surgical stapling system A system is provided for joining two tubular structures by a surgical stapling procedure. The system includes a series of sizers, a specifically designed graft, a loading unit, a wand, a tourniquet, and a stapling instrument. The sizers are for determining the diame... | 09/08/2009 |
| 7563423 | Method and apparatus for catalyst regeneration The present invention relates to the regeneration of a SOx removal catalyst (14) and a NOx reducing catalyst (12). Additionally, this invention relates to the reduction or elimination of sulfur breakthrough from the SOx removal catalyst (14) to ... | 07/21/2009 |
| 7560084 | Method and device for separation of sulphur dioxide from a gas A system for separating sulfur dioxide from a gas using an aqueous absorption liquid. The system includes a housing, an apertured plate, an outlet box, a distribution mechanism, a container, and a pump. The housing has an inlet and an outlet. The apertured plate is ... | 07/14/2009 |
| 7555840 | Omni-directional lens in sundials and solar compasses Sundials and solar compasses including are disclosed. Some embodiments include an omni-directional lens, which can focus a sun beam into a sharp spot with a long depth of field. By projecting the spot onto a cylindrical panel, both the day of the year and the time o... | 07/07/2009 |
| 7554348 | Multi-offset die head An upper die portion of a die head for aligning probes having different offsets in a first array of first micro-holes formed in a lower die portion of the die head. The upper die portion includes a spacer portion and a first assembly aid film. The spacer portion inc... | 06/30/2009 |
| 7546900 | Panel assembly for traffic noise barrier wall A panel assembly for a traffic noise barrier wall of the type including opposing slots formed in pairs of vertically-mounted posts is described. The panel assembly includes a sheet, which may be transparent, and a frame disposed along at least a portion of the perim... | 06/16/2009 |
| 7529709 | Systems and methods to facilitate a transfer of a refund amount from an educational institution to a student A system and method of facilitating a transfer of a refund amount from an educational institution to a student. A refund controller receives from an educational institution a request for authorization of an instant paper check of a payment amount equal to at least a... | 05/05/2009 |
| 7524473 | Method of mercury removal in a wet flue gas desulfurization system Controlling the reductive capacity of an aqueous alkaline slurry (23) in a wet scrubber makes it possible to accurately control the mercury emission from the scrubber to a desired value. One method of controlling the reductive capacity of the slurry is to mea... | 04/28/2009 |
| 7524471 | Mercury emission control for coal-fired boilers One embodiment of the present invention relates to a process for treating a flue gas stream (22) from a coal-fired boiler to reduce the amount of mercury contained therein. The process includes subjecting the flue gas stream (22) to a first wet scrubbi... | 04/28/2009 |
| 7524470 | Reduced liquid discharge in wet flue gas desulfurization One aspect of the invention relates to a method for removing contaminants from a flue gas stream (22). The method includes: removing fly ash from a flue gas stream (22) utilizing a particle collector (24); contacting the flue gas stream with an ... | 04/28/2009 |
| 7506769 | Pusher-type display system A display device has a spring-biased pusher carried on an elongate track. A sample carrier may be located at a front end of the track. A number of such tracks and pushers may be arrayed side-by-side with one or more pitch(es) corresponding to the products being disp... | 03/24/2009 |
| 7496536 | Systems and methods to facilitate a transfer of a refund amount from an educational institution to a student According to some embodiments, systems and methods are provided to facilitate a transfer of a refund amount from an educational institution to a student. For example, a refund controller may receive from an educational institution an indication of a refund amount as... | 02/24/2009 |
| 7438002 | Desktop A desktop including a first portion and a diagonal portion oriented diagonally with respect to the first portion. Both the first portion and diagonal portion each have a top surface, a bottom surface opposite said top surface, a plurality of side surfaces, and first... | 10/21/2008 |
| 7392563 | Probe pin cleaning system An improved device for cleaning probe pins of a probe head assembly is presented. The device includes a first holding plate, a second holding plate and a cleaning cartridge. The first holding plate secures the probe head assembly. The second holding plate secures th... | 07/01/2008 |
| 7389891 | Septic system tank A septic system tank vertical wall has vertically overlapping grooved rings having specific diameters for receiving existing sealing couplers for septic system pipe. One wall of the groove has portions at different angles from the wall. The grooves are at the same d... | 06/24/2008 |
| 7388392 | Die design with integrated assembly aid An upper die portion of a die head for aligning probe pins in first array of first micro-holes formed in lower die portion of the die head, which generally includes a spacer portion and is adapted to contact lower die portion is typically positioned between second s... | 06/17/2008 |
| 7387468 | Orifice shield for drainage pipe An orifice shield for distributing water flowing from an orifice in a pipe and preventing blockage of the orifice. The orifice shield includes a housing including a cage, the cage being defined by a first plate joined to a second plate via fins, the fins being joine... | 06/17/2008 |
| 7311212 | Display system A display system can accommodate a number of products. The system includes one or more modules. Each module may be mounted on a support wall and includes back and shelf portions. Advantageously, a number of modules are arranged in a number of rows, one row above ano... | 12/25/2007 |
| 7282936 | Die design with integrated assembly aid An upper die portion (36) of a die head for aligning probe pins (14) in first array of first micro-holes (18) formed in lower die portion (12) of the die head, which generally includes a spacer portion (38), a support frame (40 | 10/16/2007 |
| 7282934 | Flexible microcircuit space transformer assembly A space transformer for electrically interconnecting a probe head to a printed circuit board, which includes a flexible multilayer circuit with device under test contact pads formed on a first side and printed circuit board contact pads formed on a second side. Elec... | 10/16/2007 |
