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 2):
The underwater actuator according to  claim 1 , wherein a first passage, through which water is led from the outside of the housing to the second pressure receiving chamber, and a second passage, through which water is released from the second pressure receiving chamber to the release chamber, are formed in the housing, and\n the first switcher is provided on the first passage, and the second switcher is provided on the second passage.

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): 0.6235562912219241
- 35 USC 102 Novelty (BERT): 0.4719502077035306
- Combined Prediction Score: 0.6083956828700848
- Mean Citation Score: 182.507026
- Max Citation Score: 185.60454
- Similarity Product: 144.02049823186397

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

Dataset: test