PATENT CLAIM ANALYSIS

Application Number: 15746772
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["137", "527000"]

Abstract:
A flapper valve having a valve body which includes first and second ends, a flow bore which extends between the first and second ends, and an enlarged diameter cavity which is formed coaxially within the flow bore; a valve seat which comprises a through bore that is aligned with the flow bore; a retainer which is positioned radially outwardly of the cavity; and a flapper which is pivotally connected to the retainer. The flapper includes a sealing side which is configured to engage the valve seat when the flapper is in a closed position, a core which is made of a rigid material, a circular stop ring which is connected to or formed integrally with the core on the sealing side of the flapper and is configured to engage the valve seat when the flapper is in the closed position, and a resilient coating.

Claim (Index 14):
A flapper valve which comprises:\n a valve body which includes first and second ends, a flow bore which extends between the first and second ends, and an enlarged diameter cavity which is formed coaxially within the flow bore; a valve seat which comprises a through bore that is aligned with the flow bore; a retainer which is positioned radially outwardly of the cavity; and a flapper which is pivotally connected to the retainer, the flapper comprising:\n a sealing side which is configured to engage the valve seat when the flapper is in a closed position; \n a core which is made of a rigid material; and \n a resilient coating which is disposed on at least a portion of the core; \n wherein the flapper is pivotally connected to the retainer by a pivot pin which is positioned in a through hole that extends through a hinge portion of the flapper; and wherein the flapper valve further comprises means for sealing the pivot pin from a fluid in the cavity.

Metadata:
- Claim Count in Document: 21.0
- Percentile: 86.0
- Lexical Diversity: 2.44444
- Patent Class: 137.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14580068', '14210103', '14171325', '15678350', '12226577']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8460119707185393
- 35 USC 102 Novelty (BERT): 0.466075746854421
- Combined Prediction Score: 0.8080183483321275
- Mean Citation Score: 226.00804
- Max Citation Score: 228.29857
- Similarity Product: 187.13195677365897

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