A process for liquifying a substance comprises: (a) transferring latent heat from the substance in the gaseous state to a first heat transfer fluid passing through a first loop wherein the first heat transfer fluid is substantially isolated from the substance and is unreactive with the substance; (b) transferring heat from the first heat transfer fluid to a second heat transfer fluid passing through a second loop wherein the second heat transfer fluid is substantially isolated from the substance...

Fiberballs have been prepared from mechanically-crimped fibers having both a primary crimp and a secondary crimp with specific configurations, especially amplitudes and frequencies. The fiberballs may contain a proportion of other fibers, particularly binder fibers, and used for making molded structures.

An improved surface includes a foundation constructed of a subgrade and a sub-base. A synthetic turf is positioned atop the foundation and includes synthetic grass blades secured to a backing. The synthetic turf also includes a surface layer of material supported by the backing and intermixed with the synthetic grass blades. Natural grass is planted in the surface layer of material wherein the natural grass includes natural grass blades and roots. The backing is provided with perforations suffic...

A shoe or other product adapted to emit light, sound, or other energy or radiation is disclosed. Embodiments of the shoes may contain switches depressed only when subjected to the momentum of or pressure from a moveable object such as a rotating ball. The ball and switches may additionally be encapsulated in a housing with a window visible outside the shoe, permitting wearers and others to view the switching being performed.

Some secondary and tertiary straight and branched chain amides and amines were found to be highly lethal to nematodes and other helminths.

A filter for fuel and the like comprising an inner filter element and an outer metal filter can which allows the element and can to work together so that when the filter can is removed from the dispensing apparatus, the filter element springs closed and locks against the filter can so that no fuel is spilled. Additionally, the filter can grasps the filter element and pulls it from the dispensing apparatus.

A training roller skate has rollers or wheels and wheel mounts, at least one wheel mount being movable, preferably in a direction transverse to the wheel axis, to permit contact between a wheel associated surface and a motion inhibitor that inhibits rotary motion of the wheel. The skate has a front shoe part defining a forward platform portion to support a skater's foot and further defining a toe cap support with which a separately formed toe cap is snap-fittedly attached to permit toe caps of a...

Packaging for power circuitry. A circuit board and a power lead frame are packaged together in a module. In addition to providing electrical connections to power circuitry, the lead frame is employed to fix or partially fix the location of the circuit board in the package. For this purpose, one of the power lead frame and the circuit board includes a male portion and the other of the power lead frame and the circuit board includes a complementary female portion for mechanically coupling the circ...

The release by trichomonads of a hydrolase that hydrolyzes a narrowly defined class of substrates at a low pH without interference from hydrolases that are unrelated to trichomoniasis is the basis for a selective diagnostic assay for trichomoniasis that measures hydrolysis of any of these substrates by vaginal fluid at a low pH. Selective assays for trichomoniasis are also obtained by removing particulate matter from a sample of vaginal fluid to extract a fraction devoid of particles greater tha...

A cargo carrier (10) for bicycles (Y1, Y2) is removably installable in the bed (B) of a truck (T) and has a base plate (12) which mounts on top of the truck bed. One side of the base plate bears against one wall (W1) of the truck bed and an adjustable stop (14) is adjustable to bear against the opposite wall (W2) so to allow the carrier to be installed in trucks having different bed widths. Saddles (40) have risers (42) extending vertically upwardly from the base plate. An attachment screw (62) ...