- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/20 - Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of several cars or cages and for varying the manner of operation to suit particular traffic conditions, e.g. "one-way rush-hour traffic"
Patent holdings for IPC class B66B 1/20
Total number of patents in this class: 115
10-year publication summary
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5
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4
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6
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2
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0
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1
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2
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0
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2161 |
32 |
| Otis Elevator Company | 2697 |
27 |
| Inventio AG | 2413 |
19 |
| Hitachi, Ltd. | 16183 |
7 |
| Mitsubishi Electric Corporation | 48236 |
5 |
| Toshiba Elevator Kabushiki Kaisha | 20 |
3 |
| Murolet IP LLC | 16 |
3 |
| INGERSOLL Rand Security Technologies | 11 |
2 |
| ThyssenKrupp Elevator Capital Corporation | 16 |
2 |
| Universidad de Sevilla | 369 |
2 |
| University of Connecticut | 885 |
2 |
| TK Elevator Corporation | 32 |
2 |
| Fujitec Co., Ltd. | 72 |
1 |
| KT Corporation | 2088 |
1 |
| Marimils Oy | 25 |
1 |
| Sencorpwhite, Inc. | 17 |
1 |
| Sensormatic Electronics, LLC | 877 |
1 |
| Shih PI TA Technology Ltd. | 2 |
1 |
| ThyssenKrupp Aufzugswerke GmbH | 9 |
1 |
| Edward A. Bryant | 1 |
1 |
| Other owners | 1 |