PATENT CLAIM ANALYSIS

Application Number: 15764956
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-10
Patent Classification: ["251", "368000"]

Abstract:
To provide a press-fitting, sintered valve seat having excellent valve coolability enabling use in high-efficiency engines, as well as excellent deformation resistance and wear resistance, first and second hard particles differing in hardness are dispersed in a total amount of 25-70% by mass in a network-shaped Cu matrix, the second hard particles having hardness of 300-650 HV0.1, lower than that of the first hard particles, and 0.08-2.2% by mass of P is contained in the sintered valve seat.

Claim (Index 2):
The sintered valve seat according to  claim 1 , wherein said first hard particles having hardness of 550-2400 HV0.1 are dispersed in an amount of 10-35% by mass in said sintered valve seat.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 90.0
- Lexical Diversity: 1.70588
- Patent Class: 251.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15321645', '15778039', '14412910', '15126683', '15822857']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8184506002861541
- 35 USC 102 Novelty (BERT): 0.5361675363168142
- Combined Prediction Score: 0.7902222938892202
- Mean Citation Score: 410.705554
- Max Citation Score: 464.4512
- Similarity Product: 313.3409009874344

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

Dataset: test