PATENT CLAIM ANALYSIS

Application Number: 15985671
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-11
Patent Classification: ["137", "540000"]

Abstract:
Disclosed herein is a check valve. The check valve includes a valve housing having upper and lower ends opened and having an inlet formed along the circumference of the valve housing, the inlet linked to a inlet fluid path, an upper cap coupled to seal up an open upper portion of the valve housing, a lower holder coupled to an open lower portion of the valve housing, having an outlet formed along the circumference of the lower holder, the outlet linked to a outlet fluid path, and having a guide hole in the lower portion of the lower holder, and a plunger installed to move up or down to selectively open or close an orifice while elastically supported by an elastic member supported by the lower holder, wherein the plunger comprises guides at upper and lower ends of the plunger to guide the plunger to make stable linear motion.

Claim (Index 7):
The check valve of  claim 6 , further comprising: a seal attachment portion concaved along the circumferential direction of the plunger located between the sheet portion and the attachment portion to couple with the sealing member.

Metadata:
- Claim Count in Document: 42.0
- Percentile: 93.0
- Lexical Diversity: 2.60656
- Patent Class: 137.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['12053092', '14400721', '15367956', '12865967', '12048468']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.833819856145482
- 35 USC 102 Novelty (BERT): 0.4662690821261092
- Combined Prediction Score: 0.7970647787435448
- Mean Citation Score: 202.933088
- Max Citation Score: 210.10272
- Similarity Product: 162.18118202293397

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

Dataset: test