- All sections
- G - Physics
- G01D - Measuring not specially adapted for a specific variablearrangements for measuring two or more variables not covered by a single other subclasstariff metering apparatustransferring or transducing arrangements not specially adapted for a specific variablemeasuring or testing not otherwise provided for
- G01D 9/42 - Recording indications of measuring instruments by photographic means, e.g. of counters
Patent holdings for IPC class G01D 9/42
Total number of patents in this class: 10
10-year publication summary
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1
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1
|
1
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1
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0
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2
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0
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xerox Corporation | 7013 |
1 |
| AT&T Intellectual Property I, L.P. | 9508 |
1 |
| Canon Inc. | 39888 |
1 |
| Hitachi, Ltd. | 15484 |
1 |
| Denso Corporation | 24282 |
1 |
| Kyocera Corporation | 13799 |
1 |
| e Ink Corporation | 1502 |
1 |
| Schneider Electric Industries SAS | 1488 |
1 |
| Water Pigeon Inc | 1 |
1 |
| Linde GmbH | 1263 |
1 |
| Other owners | 0 |