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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 4892289 | Letdown valves A letdown valve for slurries under pressure is provided with a throttle 13 inside a housing 15 with interposed lubricant sealer and grooves 16 to accommodate any excess lubricant sealer. The throttle body 13 is held in place by a retaining ring 17 which i... | 01/09/1990 |
| 4827215 | Method of and apparatus for magnetic saturation testing a wire rope for defects A wire rope tester which can detect broken wires, area reductions, or wire contact irregularities. The tester includes two permanent magnetic stacks which produce axial adjacent and opposed DC magnetic fields which magnetize the rope. Broken wires are ind... | 05/02/1989 |
| 4520255 | High frequency self-oscillating welding apparatus High frequency welding apparatus which includes a transformer and four transistor switches. The switches and the primary winding of the transformer are connected in a self oscillating or free running bridge configuration the operation of which is load dep... | 05/28/1985 |
| 4486038 | Energy storage Energy is stored in a hoop 12 spinning around a stator 10 both made of soft steel. At the interface between them there is a cavity in which there are conductors to provide a magnetic bearing between the hoop and the stator. A magnetic levitation device ke... | 12/04/1984 |
| 4467895 | Slack rope detecting apparatus A slack rope detecting apparatus for use in mine winding operations provides a trip signal via contacts 34 if the load in the rope falls below a predetermined value. The apparatus senses the load at each side of a sheave wheel using transducers 6 and 8 an... | 08/28/1984 |
| 4423411 | Ionization type fire detector A single chamber ionization-type fire detector. The ionization current is directly amplified to provide a usable analogue signal by means of an operational amplifier which has a minimal effect in the ionization current. The operational amplifier is simult... | 12/27/1983 |
