PATENT CLAIM ANALYSIS

Application Number: 15875758
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2019-07
Patent Classification: ["251", "359000"]

Abstract:
In one aspect, valve seats are described herein having structure and design addressing degradative stresses encountered by valve seats during installation and operation in fluid ends. In some embodiments, a valve seat for use in a fluid end comprises a first section for insertion into a fluid passageway of the fluid end and a second section extending longitudinally from the first section, the second section has an outer diameter greater than the outer diameter of the first section. The second section also comprises a frusto-conical valve mating surface, wherein the second section is encased in a ring imparting a compressive stress condition to the second section.

Claim (Index 20):
The valve assembly of  claim 18 , wherein the first section is formed of metal or alloy and the second section is formed of sintered cemented carbide.

Metadata:
- Claim Count in Document: 39.0
- Percentile: 86.0
- Lexical Diversity: 1.76562
- Patent Class: 251.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['12429199', '11382298', '14014594', '12763228', '14638397']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.76320407733919
- 35 USC 102 Novelty (BERT): 0.4826621379830662
- Combined Prediction Score: 0.7351498834035777
- Mean Citation Score: 207.206806
- Max Citation Score: 233.5506
- Similarity Product: 152.59846885735988

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

Dataset: test