PATENT CLAIM ANALYSIS

Application Number: 15772269
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-11
Patent Classification: ["440", "113000"]

Abstract:
The invention relates to a cover device for at least sectional closing of an underwater opening in a hull of a watercraft, in particular an opening of a transverse channel of a thruster. According to the invention the cover device includes at least one variable-volume hollow chamber lip including at least one buoyancy body, and the at least one hollow chamber lip is shiftable into an expansion state or into a shrinkage state by supplying or removing a fluid, in particular air. As a result of the variable-volume or inflatable cover device a more reliable and simultaneously lower-maintenance operation of the cover device is given. In addition, the invention has a thruster, in particular a bow or stern-thruster, as subject matter.

Claim (Index 5):
The cover device according to  claim 1 , wherein in the region of a free end of the hollow chamber lip at least one bistable spring element is disposed at least in sections.

Metadata:
- Claim Count in Document: 20.0
- Percentile: 91.0
- Lexical Diversity: 1.98485
- Patent Class: 440.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15519590', '12526865', '13977197', '15011612', '13173069']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.554034373703288
- 35 USC 102 Novelty (BERT): 0.497298589974094
- Combined Prediction Score: 0.5483607953303686
- Mean Citation Score: 151.192946
- Max Citation Score: 200.61703
- Similarity Product: 124.875791047076

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test