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| Number | Title | Issue Date |
| D514131 | Rock drilling tool with ovate cutters | 01/31/2006 |
| 6966393 | Drill drive steel A drive steel member for driving engagement with a rotary drilling machine, including a chuck adapter having main body and chuck seating means and being constructed and arranged in fixed, sealed relation on one end of the drive steel member. ... | 11/22/2005 |
| D487753 | Over-reamer drill tool for pilot bit | 03/23/2004 |
| 6561317 | Foodservice system The invention is embodied in a commercial foodservice system having a primary counter unit constructed and arranged to perform a direct or related foodservice function, and an independent peripheral unit constructed and arranged in juxtaposition with the ... | 05/13/2003 |
| 6427782 | Noise suppression drilling system The invention encompasses improvements in noise attenuation systems for reducing the audible noise level generated during earth boring operations using a hard surfaced rotary drill bit, and in dual bore-cutting elements for performing sequential first and... | 08/06/2002 |
| 6401399 | Reach-in refrigerated merchandiser A refrigerated, reach-in merchandiser having a product display area with a front opening defined by casing means having at least two mullion members, a reach-in door for closing the front opening and being hingedly mounted on one of the mullion members by... | 06/11/2002 |
| 6393768 | Method of making reach-in door for refrigerated merchandiser A method of forming a thermally insulated, transparent door for use on a reach-in merchandiser, in which said door has at least two glass lites, and which comprises providing a thermally and electrically insulating spacer member having an outer wall porti... | 05/28/2002 |
| 6381972 | Multiple zone refrigeration The invention is embodied in a refrigeration unit (R) adapted for use in combination with plural associated refrigerated fixtures (33a, 33b, 33c) in a commercial store, each fixture having a product zone and heat transfer cooling means (29) for the refrig... | 05/07/2002 |
| 6332327 | Distributed intelligence control for commercial refrigeration A commercial refrigeration system has a control system which distributes intelligence to increase granularity of the control and simplify wiring, assembly and installation. Compressors of the refrigeration system each have a bus compatible compressor safe... | 12/25/2001 |
| 6263612 | Rodent trap A trap for rodents and the like, comprising an openable housing that, in use, has a normally closed interior space for containing a trapped animal, an entranceway formed in an outer wall of the housing and leading to the interior space, and entrance-closi... | 07/24/2001 |
| 6161635 | Drilling system drive steel A drive steel member for driving engagement with a rotary drilling machine, including a chuck adapter having main body and chuck seating elements and being constructed and arranged in fixed, sealing relation on on one end of the drive steel member.... | 12/19/2000 |
| 6148563 | Reach-in door for refrigerated merchandiser A refrigerated, reach-in merchandiser having a product display area with a front opening defined by casing means having at least two mullion members, a reach-in door for closing the front opening and being hingedly mounted on one of the mullion members by... | 11/21/2000 |
| 6092612 | Rotary drilling systems A rotary system having a sectional drill steel column connecting a drilling machine and rotary drill bit and being constructed and arranged to accommodate internal fluid flow to the drill bit without pressure loss, and which column employs a coupler secti... | 07/25/2000 |
| 6067482 | Load shifting control system for commercial refrigeration A load shifting control system for selectively allocating a plurality of discrete electrical loads between a first power source and a second power source includes a plurality of transfer switches connected to respective electrical loads and further includ... | 05/23/2000 |
| 5934096 | Wiring system for commercial refrigeration A wiring system for commercial refrigeration permits multiple refrigerated merchandisers to be wired on a single electrical circuit from a circuit breaker power source. The hardwiring of the system is done at the factory so that three-phase power connecti... | 08/10/1999 |
| 5924297 | Refrigerated merchandiser with modular evaporator coils and "no defrost" product area The invention comprises a merchandiser having a refrigerated product area with a plurality of product zones and separate air flow circulation means for the respective product zones, laterally adjacent modular cooling coils associated with the respective a... | 07/20/1999 |
| 5921092 | Fluid defrost system and method for secondary refrigeration systems A fluid defrost system and method for defrosting the cooling coil of a product fixture normally cooled by circulating a cold secondary liquid coolant in a cooling loop refrigerated by a primary vapor compression system having compressor, condenser and eva... | 07/13/1999 |
| 5875858 | Low volume air-water drilling systems and methods An air-water mist flushing system and method for cooling and cleansing mining tool cutter elements having sources of water and compressed air, apparatus for admixing water and compressed air at predetermined volumes and pressures to form the air-water mis... | 03/02/1999 |
| 5743098 | Refrigerated merchandiser with modular evaporator coils and EEPR control An air cooling and control system for a refrigerated food merchandiser having an insulated cabinet with a product are having adjacent product zones, plural modular evaporator coil sections of substantially equal heat exchange potential and being of predet... | 04/28/1998 |
| 5743102 | Strategic modular secondary refrigeration A commercial refrigeration network including refrigeration system units constructed and arranged for placement in strategic proximity to corresponding product cooling zones within the shopping arena of a food store, each refrigeration unit having a conden... | 04/28/1998 |
| 5727393 | Multi-stage cooling system for commerical refrigeration A non-compressible coolant fluid system for cooling product merchandisers having heat transfer means constructed and arranged for maintaining preselected product zone temperatures, comprising an integrated closed circuit system having pumping means for ci... | 03/17/1998 |
| 5639149 | Glass front merchandiser with invisible hinge and seals A glass front merchandiser having a refrigerated cabinet with a product zone normally closed by a glass front panel having a hinging side margin, the glass front panel including an outer glass pane and a structural frame member secured adjacent to the per... | 06/17/1997 |
| 5535839 | Roof drill bit with radial domed PCD inserts A rotary drill bit having a head portion with at least two hard surfaced inserts having domed working surfaces and being oppositely oriented to face in the direction of rotation at positive rake angles, and a mounting adapter for removably securing the dr... | 07/16/1996 |
| 5517826 | Refrigerated merchandiser with modular external frame structure A refrigerated merchandiser comprising an insulated cabinet defining a product zone and having an air cooling and circulating system for maintaining product zone temperatures, the insulated cabinet including a vertical section defining one side of the pro... | 05/21/1996 |
| 5467726 | Furling line tension control for roller-reefing drum A furling line tensioning device is provided to control the line coiling action of a roller-reefing drum, comprising a cam-type cleat having a sailboat mounting base, first and second cam members on the base and having opposed cam walls receiving a furlin... | 11/21/1995 |
| 5461908 | Automative diagnostic testing apparatus A diagnostic testing apparatus for testing an automotive IAC motor normally controlled by pulse signals from the electronic control module (ECM) of an automotive electrical system, which apparatus is coupled between the ECM and the IAC motor circuits and ... | 10/31/1995 |
| 5440894 | Strategic modular commercial refrigeration A commercial refrigeration network including refrigeration system units constructed and arranged for placement in strategic proximity to corresponding product cooling zones within the shopping arena of a food store, each refrigeration unit having a conden... | 08/15/1995 |
| 5383526 | Methods for rock mining with non-coring rotary tools A method of drilling rock bores utilizing a non-coring HDC rotary mining tool operated at moderate rotational speeds, reduced axial thrust and with delivery of flushing fluids to the PCD cutter inserts of the tool at substantially high fluid pressures.... | 01/24/1995 |
| 5369991 | Automative diagnostic testing apparatus A diagnostic testing apparatus for testing an electrical component normally controlled by pulse signals from the electronic control module (ECM) of an automotive electrical system, which apparatus is coupled between the ECM and the component to be tested ... | 12/06/1994 |
| 5357767 | Low temperature display merchandiser A low temperature food merchandiser having a cabinet with an open front product area, a primary cold air system for maintaining substantially constant frozen food temperatures of 0° F. or ice cream product temperatures of -5° F. in the product area incl... | 10/25/1994 |
| 5345778 | Low temperature display merchandiser A low temperature food merchandiser having a cabinet with an open front product area, a primary cold air system for maintaining substantially constant low temperatures of at least 0° F. in the product area including the formation of plural primary low te... | 09/13/1994 |
| 5309726 | Air handler with evaporative air cooler An air handler for conditioning recirculated or make-up space air and including a conditioning chamber and air flow means for moving air therethrough. An evaporative air cooler of the air handler has an air permeable pad extending across the chamber and a... | 05/10/1994 |
| 5303787 | Rotary mining tools A non-coring rotary mining tool having a bit body constructed and arranged for rock boring as in roof bolting operations, and including PCD cutter inserts of preselected size mounted at a negative angle and having substantially continuous cutting edges de... | 04/19/1994 |
| 5287995 | Tear gas defense system A personal defense system having a protective spray container with an upper end spray actuator, a dispensing cap constructed and arranged to house the spray actuator and have a fixed relationship with the dispensing nozzle thereof, a holster for the conta... | 02/22/1994 |
| 5228478 | Wear indicator for material transfer systems An early warning system for a material transfer system having an elongated area to be monitored for internal wear caused by erosive flow action of a transfer material. A material transfer conduit has an inner surface forming a flow passageway for the tran... | 07/20/1993 |
| 5180022 | Rotary mining tools A rotary mining tool having a steel body adapted to be driven axially and turned in a rotational arc relative to its axis and being provided with a hardened wear surface with a cutting edge adapted for cutting engagement with a work area under the axial t... | 01/19/1993 |
| 5163536 | Modular foodservice equipment A two-tier counter system for use in commercial foodservice having an upper level of top-defining modular counter units with upper work areas, end margins of substantially identical profile and dual latching apparatus for releasably interlocking adjacent ... | 11/17/1992 |
| 4990749 | Temperature controller for a food merchandiser This invention is an apparatus for controlling food temperatures in a food warming cabinet having at least one food holding zone. The apparatus includes a first sensor for sensing a temperature representative of the temperature of the food, a heater, a se... | 02/05/1991 |
| 4947653 | Ice making machine with freeze and harvest control An ice maker including freeze and harvest controls is disclosed. The evaporator includes a unitary evaporator and ice mold. A compressor and condenser cool the evaporator to freeze ice on the mold in a normal refrigeration cycle and the mold is defrosted ... | 08/14/1990 |
| 4947418 | Emergency trauma board An emergency trauma board having dual, spaced apart main frames, one main frame having a rigid transparent patient support panel with X-ray holding means on a underside thereof, the other main frame having a fluid permeable patient support panel with an u... | 08/07/1990 |
