- All sections
- E - Fixed constructions
- E01F - Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like
- E01F 9/631 - Upright bodies, e.g. marker posts or bollardsSupports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact
Patent holdings for IPC class E01F 9/631
Total number of patents in this class: 22
10-year publication summary
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3
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1
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2
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3
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5
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2
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3
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1
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2
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2
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