Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include angled bearing surfaces having a planar shape.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies with bearing elements that are at least partially contained in the bearing assembly.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include bearing surfaces defining an at least partially conical surface.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include bearing surfaces defining an at least partially conical surface.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include angled bearing surfaces having a planar shape.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include bearing surfaces defining an at least partially conical inner surface.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include angled bearing surfaces having a planar shape.

Abstract: Force coupling or torque coupling assemblies, apparatuses, systems, and methods include assemblies that each include superhard contact elements. At least some of the superhard contact elements may be configured to remain in contact with each other when a force is applied between the assemblies.

Abstract: Force coupling or torque coupling assemblies, apparatuses, systems, and methods include assemblies that each include superhard contact elements. At least some of the superhard contact elements may be configured to remain in contact with each other when a rotational force and/or a thrust force is applied between the assemblies.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include bearing surfaces defining an at least partially conical inner surface.

Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include angled bearing surfaces having a planar shape.

Abstract: The toilet bowl separately collects urine and feces for analysis or other uses. The toilet bowl includes a toilet bowl wall with at least two holes in it. The first hole is a fecal collection aperture positioned below a user where a user may defecate into it. The second hole is a urine collection orifice through which a user's urine may flow. The two holes may be separated by a ridge which may act like a dam to inhibit cross-contamination of collected feces and urine. Conduits may connect to the two holes to direct the waste into analytical devices or containers for additional uses including composters and digesters which produce clean energy.

Abstract: The toilet bowl separately collects urine and feces for analysis or use in a composting device, waste digester, or to reclaim water. The toilet bowl includes a toilet bowl wall. Urine flows down the toilet bowl wall into a channel for collection. The channel surrounds an aperture into which feces may be deposited. Consequently, urine and feces are kept separate during collection. Both the channel and the aperture may be connected to conduits which may transmit material into analytical devices. The conduits may transmit material into digesters in appropriate amounts including controlling the amount of liquid added to solid material. Collected urine may be stored for water reclamation. Sensors may confirm the absence of fecal matter in collected urine or detect contamination. After separate analysis, feces and urine may be combined through connecting conduits then disposed of in the sewer system or sent to a composting device or waste digester.

Abstract: The toilet bowl separately collects urine and feces for analysis or other uses. The toilet bowl includes a toilet bowl wall with at least two holes in it. The first hole is a fecal collection aperture positioned below a user where a user may defecate into it. The second hole is a urine collection orifice through which a user's urine may flow. The two holes may be separated by a ridge which may act like a dam to inhibit cross-contamination of collected feces and urine. Conduits may connect to the two holes to direct the waste into analytical devices or containers for additional uses including composters and digesters which produce clean energy.

Abstract: The toilet bowl separately collects urine and feces for analysis or use in a composting device, waste digester, or to reclaim water. The toilet bowl includes a toilet bowl wall. Urine flows down the toilet bowl wall into a channel for collection. The channel surrounds an aperture into which feces may be deposited. Consequently, urine and feces are kept separate during collection. Both the channel and the aperture may be connected to conduits which may transmit material into analytical devices. The conduits may transmit material into digesters in appropriate amounts including controlling the amount of liquid added to solid material. Collected urine may be stored for water reclamation. Sensors may confirm the absence of fecal matter in collected urine or detect contamination. After separate analysis, feces and urine may be combined through connecting conduits then disposed of in the sewer system or sent to a composting device or waste digester.

Abstract: A piston flush toilet apparatus is disclosed. The piston flush toilet apparatus comprises one or more leaky piston seals which allow lubrication to leak in a predetermined direction. The leaky lubrication keeps waste from entering unwanted areas of the piston drive system while also lubricating the piston and macerated waste. An internal piston maceration system is also disclosed and claimed. Additionally, a microscope and light built into the piston is also disclosed and claimed.

Abstract: An excreta-sampling toilet is disclosed which includes a bowl, a processing apparatus, and a chiller. The bowl separates excreta into solid excreta and liquid excreta. The processing apparatus then processes the solid excreta into a solid excreta sample, including metering it by weight or volume and storing it in containers. The chiller lowers the temperature of the sample, which is stored to await analysis. A metered liquid excreta sample is also stored and chilled in separate storage containers.

Abstract: An excreta-sampling toilet is disclosed which includes a bowl, a processing apparatus, and a chiller. The bowl separates excreta into solid excreta and liquid excreta. The processing apparatus then processes the solid excreta into a solid excreta sample, including metering it by weight or volume and storing it in containers. The chiller lowers the temperature of the sample, which is stored to await analysis. A metered liquid excreta sample is also stored and chilled in separate storage containers.

Abstract: A drilling apparatus which includes a drill bit attachable to the drilling end of a drill string, the drill bit including a bit body being attached to a shank and having a working face with at least one cutting element. The drilling apparatus also includes a jack element positioned within a bore of the bit body having a working tip substantially protruding from the working face, and which jack element is also adapted to move with respect to the bit body. One or more position feedback sensors are positioned proximate the jack element and are adapted to detect the axial and/or angular position of the jack element with respect to the bit body.

Abstract: In one aspect of the present invention, a drill bit assembly has a body intermediate a shank and a working face. The working face has at least one cutting element. The drill bit also has a jack element with a distal end substantially protruding from the working face and at least one downhole material driven transducer in communication with the jack element.