PATENT CLAIM ANALYSIS

Application Number: 15933950
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["137", "283000"]

Abstract:
A hinge pin for a check valve includes a shaft, a first end of the shaft, a second end of the shaft opposite the first end, and a first connection element on the shaft between the first end and the second end. The first connection element lockably connects to a valve disk assembly, the first end having a second connection element to connect to an oil-cushion arm, the second end having a third connection element to connect to a counterweight arm, the shaft being composed of maraging steel.

Claim (Index 6):
A check valve for a fluid flow system, comprising:\n a valve body having an inlet, an outlet, and a flow channel between the inlet and the outlet; and a check valve closing assembly in the flow channel of the valve body, the check valve closing assembly including a hinge pin and a valve disk assembly, the hinge pin extending through the valve body, the hinge pin lockably connected to the valve disk assembly, the valve disk assembly movable between an open position permitting a fluid to flow from the inlet of the valve body toward the outlet of the valve body, and a closed position blocking the fluid flow from the outlet toward the inlet of the valve body, the hinge pin being composed of maraging steel.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 90.0
- Lexical Diversity: 2.46154
- Patent Class: 137.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14513727', '15528107', '12784135', '15279071', '15916357']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8262429087227244
- 35 USC 102 Novelty (BERT): 0.4725707505137336
- Combined Prediction Score: 0.7908756929018254
- Mean Citation Score: 190.26736
- Max Citation Score: 253.3644
- Similarity Product: 218.3619026119709

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