BTECH Inc.
13Patents
7Active
13Granted
40Portfolio score
Filing activity: Aug 21, 1992 → May 18, 2020 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5281920A | On-line battery impedance measurement | Physics | 227 | Expired |
| US6167349A | Battery parameter measurement | Physics | 151 | Expired |
| US5821757A | Noise reduction in an on-line battery impedance measurement system | Physics | 150 | Expired |
| US8131486B2 | Networked battery monitors | Emerging Cross-Sectional Technologies | 37 | Active |
| US6463543B1 | Serial bus communications system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6922058B2 | Method for determining the internal impedance of a battery cell in a string of serially connected battery cells | Physics | 12 | Expired |
| US10705128B2 | Battery monitor control system | Emerging Cross-Sectional Technologies | 3 | Active |
| US11047891B2 | Complex impedance battery monitor | Emerging Cross-Sectional Technologies | 2 | Active |
| US7148708B1 | Probe assembly for minimizing excitation pick-up voltages | Physics | 2 | Expired |
| US9863116B2 | Blower control system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11874328B2 | Detecting battery changeout | Physics | 0 | Active |
| US7332913B2 | Method and apparatus for determining to which battery cell in a string of battery cells a test instrument is connected | Physics | 0 | Active |
| US10711426B2 | Blower control system | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.