PATENT CLAIM ANALYSIS

Application Number: 15742839
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["062", "053200"]

Abstract:
A ship comprising an engine is disclosed. The ship comprising an engine comprises: a self-heat exchanger which heat-exchanges boil-off gas discharged from a storage tank; a multi-stage compressor which compresses, in multi-stages, boil-off gas that passed through the self-heat exchanger after being discharged from the storage tank; a first decompressing device which expands one portion of boil-off gas that passed through the self-heat exchanger after being compressed by the multi-stage compressor; and a second decompressing device which expands the other portion of the boil-off gas that passed through the self-heat exchanger after being compressed by the multi-stage compressor, wherein the self-heat exchanger uses boil-off gas discharged from the storage tank and boil-off gas expanded by the first decompressing device as refrigerants for cooling boil-off gas compressed by the multi-stage compressor.

Claim (Index 22):
A method comprising:\n 1) performing multistage compression with respect to boil-off gas (BOG) discharged from a storage tank (hereinafter referred to as \u2018flow a\u2019); 2) subjecting the BOG subjected to multistage compression to heat exchange (hereinafter referred to as \u2018flow b\u2019) with the BOG discharged from the storage tank (flow a), a first refrigerant, and a second refrigerant; 3) dividing the BOG subjected to heat exchange (flow b) into two flows; 4) expanding the BOG of one of the flows divided in step 3); 5) separating the BOG expanded in step 4) into a liquid and a gas; 6) using the liquefied natural gas separated in step 5) (hereinafter referred to as \u2018flow c\u2019) as the first refrigerant subjected to heat exchange with the flow b in step 2); 7) using the BOG separated in step 5) (hereinafter referred to as \u2018flow d\u2019) as the second refrigerant subjected to heat exchange with the flow b in step 2); and 8) expanding the other flow of the two flows divided in step 3).

Metadata:
- Claim Count in Document: 62.0
- Percentile: 86.0
- Lexical Diversity: 2.57407
- Patent Class: 62.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15742840', '14437479', '14895201', '15579568', '15579581']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8612865465919591
- 35 USC 102 Novelty (BERT): 0.608055079406535
- Combined Prediction Score: 0.8359633998734167
- Mean Citation Score: 405.794318
- Max Citation Score: 591.17645
- Similarity Product: 480.9537124030471

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