Bizarre Patents
A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8138637 | Electrical energy transmission device An electrical energy transmission device has phase conductors, which carry alternating current and have transfer impedance, and sheathed conductors, which are inductively coupled to the phase conductors. A first end and a second end of each sheathed conductor form a... | 03/20/2012 |
| 6795324 | Power converter A power converter is disclosed, in which the sum of the length of that portion of a control signal line which is in opposite relation to an area of a main circuit wiring where a main circuit current flows and a plurality of tabular conductors are in superposed relat... | 09/21/2004 |
| 6700226 | Multi-emitter bipolar transistor for bandgap reference circuits A transistor includes a substrate region (14) of a first type (P) of conductivity in a semiconductor material layer of the same type (P) of conductivity, at least a first contact region (13) of the first type (P+) of conductivity inside the substrate regi... | 03/02/2004 |
| 6566769 | Three phase flat cable inductance balancer An inductance balancer is connected between a drive and a flat three phase power transmission cable employed to carry power to a remote load. The inductance balancer includes a first inductance device (e.g., a single wound inductor) connecting the center ... | 05/20/2003 |
| 6525950 | Semiconductor device and electric power conversion device A semiconductor power conversion device includes two bridge-connected semiconductor switches, an output terminal, and first and second pairs of positive and negative direct current terminals. First conductors connect the negative direct current terminals ... | 02/25/2003 |
| 6368933 | Tap connections for circuits with leakage suppression capability An integrated circuit biases the substrate and well using voltages other than those used for power and ground. Tap cells inside the standard cell circuits are removed. New tap cells used to bias the substrate and well reside outside the standard cell circ... | 04/09/2002 |
| 5579217 | Laminated bus assembly and coupling apparatus for a high power electrical switching converter A laminated bus assembly including a high power coupler to provide a low impedance, low noise laminated bus assembly for a switched converter that includes a plurality of switch pairs to convert between an AC power line and a DC device. The laminated bus ... | 11/26/1996 |
| 5365424 | High power laminated bus assembly for an electrical switching converter A low impedance, low noise laminated bus assembly for a high power switched converter that has a plurality of switch pairs including a -DC switch and a +DC switch for high speed switching to convert between an AC power line and a DC power storage device s... | 11/15/1994 |
| 5172310 | Low impedance bus for power electronics A low impedance, high power bus for conduction of electrical power with reduced transient signal effects is described herein. The high power bus can be applied as a high power supply bus between a constant voltage source and a plurality of switching cells... | 12/15/1992 |
| 5105095 | Data current coupler An improved data coupler assembly provides an improved electromagnet insert having conductive wires positioned within arcuate channels formed along with electromagnet insert. Sealing means to position and seal the conductor wires to the assembly are inclu... | 04/14/1992 |
| 4922125 | System cable assembly and component packaging A data processing system is shown packaged in an enclosure wherein the system frame or chassis and a cable carrier are separately fabricated and thereafter merged to provide an enclosure with open ends and a central cable carrier that mounts connections f... | 05/01/1990 |
| 4904879 | Data current coupler and methods of making and assembling same A coupler assembly for noninvasive coupling to conductor wires of a twisted pair cable of a data bus uses mating pairs of E-shaped electromagnets defining a pair of electromagnet cores having windings about central legs thereof electrically connected to a... | 02/27/1990 |
| 4473785 | Numerical control unit A numerical control unit which includes a main bus connected to (a main processor) operates, according to an execution program stored in a main memory, on data from the memory or a tape reader, and applies the results of the operation to axis-control circ... | 09/25/1984 |
| 4162525 | Power system having an inductive charge effect limiting inverter A power system provides a duty cycle modulated high frequency carrier signal to an inductive load with positive and negative buses. During the inductive energy discharge period the energy stored in the inductive load causes a reversal in the polarity of t... | 07/24/1979 |
| 3952243 | Voltage transformer for a high voltage switching apparatus A voltage transformer for an insulated high-voltage switching apparatus of the type including a metallic outer tubular casing in which an electrical conductor is disposed, and a tubular sleeve disposed about the conductor within the casing. The sleeve for... | 04/20/1976 |
| 3942032 | Power injector control means for transmission networks Means for better balancing and controlling of circuit loadings in electric power transmission networks to significantly reduce the number and/or cost of the transmission lines and facilities required to make a specific power transfer by significantly incr... | 03/02/1976 |
