PATENT CLAIM ANALYSIS

Application Number: 16030252
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-11
Patent Classification: ["029", "888400"]

Abstract:
An exhaust valve for an internal combustion engine comprises a valve disc having a first side ( 14 ) and a second side ( 16 ), a valve stem extending from the first side of the valve disc, and an annular valve seat area ( 11 ) located at the first side of the valve disc. The annular valve seat area ( 11 ) is of a nickel-base alloy or a chromium-base alloy and has a valve seat surface. The annular valve seat area has at least a first annular portion ( 43 ) located in between two second annular portions ( 42 ). The first annular portion has lower hardness than the two second annular portions.

Claim (Index 6):
An exhaust valve for an internal combustion engine and produced by the method of any of  claims 1  to  3 , the exhaust valve comprising a valve disc having a first side and a second side, a valve stem extending from the first side of the valve disc, and an annular valve seat area located at the first side of the valve disc, which annular valve seat area is of a nickel-base alloy or a chromium-base alloy and has a valve seat surface, characterized in that the annular valve seat area has at least a first annular portion located in between two second annular portions, which first annular portion has lower hardness than the two second annular portions.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 95.0
- Lexical Diversity: 2.36538
- Patent Class: 29.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13915034', '14819655', '14348692', '14778096', '11283679']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.840911614284635
- 35 USC 102 Novelty (BERT): 0.4725626102018594
- Combined Prediction Score: 0.8040767138763575
- Mean Citation Score: 184.427834
- Max Citation Score: 194.75958
- Similarity Product: 162.89172991948485

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

Dataset: test