Sendyne's patents are prepared by Oppedahl Patent Law Firm LLC

Analog computing implementing arbitrary non-linear functions using Chebyshev-polynomial-interpolation schemes and methods of use
10,846,489
Implementing non-linear functions in hybrid computing

Isolation monitoring device and method
10,852,332
Method and device for monitoring safety of unearthed power systems

Model numerical solver for system control
10,509,395
Scientific model-based control of an electric motor

Compensating for the skin effect in a shunt
10,447,243
Method to compensate for distortion of a waveform due to the skin effect in a current shunt

System and method for cell-specific control of three-terminal cells
10,454,143
A system and method for sophisticated control of a battery pack consisting of multiple three-terminal electrochemical cells

Current-based cell modeling
10,234,512
Model-based real-time battery state predictions for automotive battery control

Electrical Shunt
D845,906
Design patent for Sendyne’s proprietary shunt to PCB mounting system

System and method for cell-specific control  of three-terminal cells
9,960,457
Third terminal in a cell to be used for controlling cell’s performance

Charge redistribution method for cell arrays
9,812,877             
Algorithm for establishing balancing policies

Current sensor
9,588,144       
Circuit for precise shunt current measurement over a wide temperature range

Attachment of leads having low thermoelectric errors
9,470,724             
A measuring lead attachment method for very high precision shunts

Current shunt
9,217,759             
A shunt interface construction method that minimizes thermoelectric errors

Charge redistribution method for cell arrays
9,099,870             
Optimized charge balancing circuit minimizing number of inductors

Current sensor
9,052,343             
Dynamic current offset compensation in shunt measurements

Assisting converter
8,779,700             
A battery management architecture providing cell balancing and bidirectional DC-DC conversion

High precision algorithmically assisted voltage divider with fault detection
8,373,408             
A fault tolerant circuit for measuring system critical high voltage values

Voltage reference and temperature sensor
8,350,552             
A highly accurate voltage reference and temperature sensor circuit

Reliable signaling of fault conditions in battery systems with series-connected cells
8,289,030             
A quick and reliable method for assured propagation of emergency signals that can originate from any cell circuitry in a battery stack

High-accuracy low-power current sensor with large dynamic range
8,264,216             
A dual shunt system dynamically canceling offset and other measurement errors

Charge balancing system
8,269,455             
A high efficiency active balancing system for large battery stacks

Battery cell protection and conditioning circuit and system
7,936,150             
A protection device for cells in a stack that also provides toping charge for obtaining maximum charged capacity

Direct methanol fuel cell pack heating system
7,579,806             

A battery-fuel cell combination for ensuring operation of the fuel cell in cold environments

Fuel supply method for direct methanol fuel cell
7,186,057             
A cartridge system to replenish methanol and partial water losses in an operating fuel cell

Chinese patents

Shunt with leads
2017110700125620          
A shunt PCB mounting design that provides low thermoelectric error in current measurements

Apparatus for use in measuring current with respect to first and second measurement points
2017070500265910
Circuit for shunt based accurate current sensing