PATENT CLAIM ANALYSIS

Application Number: 15916357
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["137", "527200"]

Abstract:
A spring return check valve that has a body forming a fluid flow path therethrough, a cover that closes an opening in the body and including a cavity therein facing the fluid flow path, a disc that rotates from a first position closing the fluid flow path and a second position fully opening the fluid flow path and a spring connected between the cover and the disc and including extensions integrally extending from each end of the spring to cause the spring to buckle into the cavity when the disc rotates to the second position.

Claim (Index 1):
A spring return check valve, comprising:\n a valve body including an inlet and an outlet to define a fluid flow path therethrough, a cover connected to a side of an opening in the body and including a cavity formed into a first surface thereof facing the opening, the cover configured to move between a position covering the opening and a position exposing the opening; a disc disposed within the valve body and connected at one end of a first portion thereof to the valve body such that a second portion of the disc rotates between a position to open the fluid flow path and a position to close the fluid flow path; and a buckling spring connected between a surface of the disc and the cover.

Metadata:
- Claim Count in Document: 21.0
- Percentile: 90.0
- Lexical Diversity: 2.04167
- Patent Class: 137.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15668763', '14994741', '14312843', '12977357', '13186644']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7928426287890648
- 35 USC 102 Novelty (BERT): 0.457041247915564
- Combined Prediction Score: 0.7592624907017147
- Mean Citation Score: 163.936712
- Max Citation Score: 178.14622
- Similarity Product: 145.19318260860325

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

Dataset: test