PATENT CLAIM ANALYSIS

Application Number: 15745535
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["277", "442000"]

Abstract:
The invention relates to a piston ring of a reciprocating piston internal combustion engine, comprising a ring body with an open abutment, a radially outer running surface side, a radially inner circumferential side, two axially opposite flank sides, an at least partial coating (B) on the running surface side, and a circumferential recess (A) in the lower region of the running surface, said recess ending outside of the abutment region (C). The running surface side has a spherical profile with a pivot point which is arranged at a height h 2 <i/> of 55-80% of the axial height h of the piston ring.

Claim (Index 4):
The piston ring in accordance with  claim 1 , wherein the radially-inner circumferential face has an essentially symmetrical profile with respect to the axial centre.

Metadata:
- Claim Count in Document: 13.0
- Percentile: 86.0
- Lexical Diversity: 1.77941
- Patent Class: 277.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15744247', '13980994', '15321844', '14116970', '14377311']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8037496337695509
- 35 USC 102 Novelty (BERT): 0.4593548443316315
- Combined Prediction Score: 0.769310154825759
- Mean Citation Score: 178.657408
- Max Citation Score: 189.0744
- Similarity Product: 162.2481793433189

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