PATENT CLAIM ANALYSIS

Application Number: 15759351
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["091", "459000"]

Abstract:
An underwater actuator includes: a housing to be immersed under water; a cylinder chamber formed in the housing; a piston accommodated in the cylinder chamber so the piston is movable in a sliding manner in the cylinder chamber, the piston dividing the cylinder chamber into a first and a second pressure receiving chambers; a rod extending from the piston to the first pressure receiving chamber side, the rod penetrating the housing; a release chamber formed in the housing, having an internal pressure kept lower than a water pressure outside of the housing; and a switching mechanism including: a first switcher configured to switch a communication state between the second pressure receiving chamber and the outside of the housing to allow or block communication therebetween; and a second switcher configured to switch a communication state between the second pressure receiving chamber and the release chamber to allow or block communication therebetween.

Claim (Index 7):
The underwater actuator according to  claim 1 , wherein\n the switching mechanism further includes a third switcher configured to switch a communication state between the release chamber and the outside of the housing to allow or block communication therebetween.

Metadata:
- Claim Count in Document: 15.0
- Percentile: 90.0
- Lexical Diversity: 2.6129
- Patent Class: 91.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13633604', '13534953', '12443159', '11325986', '11292879']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6202386039940483
- 35 USC 102 Novelty (BERT): 0.4856675363
- Combined Prediction Score: 0.6067814972246435
- Mean Citation Score: 182.507026
- Max Citation Score: 185.60454
- Similarity Product: 126.3978522816932

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