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 2):
A method of strengthening an annular valve seat area in an exhaust valve according to  claim 1 , wherein the plastic deformation in step b) involves rolling with a cylindrically shaped roll.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 95.0
- Lexical Diversity: 2.36538
- Patent Class: 29.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13915034', '14819655', '14348692', '14778096', '11283679']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8533756953243194
- 35 USC 102 Novelty (BERT): 0.4971343449862653
- Combined Prediction Score: 0.8177515602905141
- Mean Citation Score: 184.427834
- Max Citation Score: 194.75958
- Similarity Product: 131.3329465552783

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