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| Number | Title | Issue Date |
| 4974168 | Automatic pipeline data collection and display system An automatic, electronically operated data collection and display system for a pipeline video monitoring device, and a method for collecting and displaying information on a pipeline with a video image. A plurality of data inputs are connected to the monit... | 11/27/1990 |
| 4817671 | High pressure mechanical plug device A high pressure mechanical plug device for sealing and locking into a high interior pressure pipeline. The mechanical plug device has a hollow cylindrical body structure with an end wall and a side wall structure having a plurality of apertures. A piston ... | 04/04/1989 |
| 4763511 | Pipe joint sealing and testing apparatus A separable, lightweight and inflatable pipe joint sealing and testing apparatus for large diameter pipes having a multi-membered arched channel support structure having a circular configuration, and having three parallelly disposed channel members extend... | 08/16/1988 |
| 4763660 | Flexible and disposable electrode belt device The unitary flexible and disposable electrode belt and method is for receiving and transmitting electric current or voltage for use on the body of a patient. The belt has a unitary layered body structure that is releasably secured to the patient. The belt... | 08/16/1988 |
| 4695258 | Connector assembly for electrically connecting flexible and rigid printed circuits The connector assembly is for connecting the conductive network of a flexible printed circuit to the conductive network of a rigid printed circuit board. The connector assembly comprises an alignment body structure mountable on the printed circuit and for... | 09/22/1987 |
| 4691728 | Electronic test and seal apparatus and method An automatic pipeline testing and sealing system and method to operate the functions of an inflatable packer device from a remote location. The automatically operated packer device has inflatable end elements, an exterior sleeve member and a chemical disp... | 09/08/1987 |
| 4672976 | Heart sound sensor A heart sound sensing device for placement on the body of a patient and for the detection of low frequency sound waves. The device is for use with medical diagnostic devices, and comprises a cylindrical housing structure for retaining the remaining elemen... | 06/16/1987 |
| 4672977 | Lung sound cancellation method and apparatus A method and apparatus for deriving weak cardiac sounds by automatically cancelling lung sounds. The process is accomplished by providing a pair of acoustic sensors about the thorax of a patient, the first being disposed on the precordial region, adjacent... | 06/16/1987 |
| 4614206 | Expansible pneumatic plug device A multi-size expansible pneumatic plug device for sealing the interior of a pipeline section. The expansible plug device has interchangeable front and rear circular rigid support members for supporting the remaining elements of the device and each rigid s... | 09/30/1986 |
| 4588110 | Portable waterproofing apparatus The portable, light-weight pumping mechanism is for transferring and mixing two fluids from a portable fluid container having a top portion of predetermined dimensions and having an inlet port. The portable pumping mechanism is comprised of a base cover m... | 05/13/1986 |
| 4572228 | Connector valve assembly for inflatable packer device The connector valve assembly is for insertion between a fluid inlet line assembly and an inflatable packer device having an externally disposed chemical dispensing assembly to pressure test and repair pipelines. The connector valve assembly is connectable... | 02/25/1986 |
| 4493344 | Mechanical plug device The mechanically operable plug device is for use with the end of a pipe or conduit. The plug device is for removably sealing the conduit end so that the conduit can be tested for leaks. The mechanically operable plug device is comprised of two spacially p... | 01/15/1985 |
