PATENT CLAIM ANALYSIS

Application Number: 15895805
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-12
Patent Classification: ["251", "315120"]

Abstract:
A top entry ball valve including a valve body, a valve cover, a valve stem, an assembly screw, a spring, a support sleeve, a support valve seat, a sphere, and a sealing valve seat. The valve stem passes through the valve cover and the valve body and is fixedly connected to the sphere disposed within the valve body; the valve cover is fixed to the opening of the cavity of the valve body by screws, to seal the cavity of the valve body; the sphere spherically fits with the support valve seat and the sealing valve seat; the support sleeve and the spring are provided between the support valve seat and the valve body; the spring presses the support sleeve and the support valve seat such that the support valve seat clings to the sphere; the support sleeve is fixedly connected to the valve body by the assembly screw.

Claim (Index 3):
The top entry ball valve of  claim 2 , wherein the outer of the support sleeve is provided with a boss and an extension plate in the radial direction, wherein the boss and an assembly groove cooperate with each other, the assembly groove is provided at the valve body where corresponds to the lower end of the support sleeve; the extension plate is provided with an assembly hole, the assembly screw is threaded through the assembly hole and fitted to an assembly screw hole at a corresponding position on the valve body by threading.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 88.0
- Lexical Diversity: 3.3
- Patent Class: 251.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13104242', '15163699', '11974536', '15108685', '15872000']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7511661363138428
- 35 USC 102 Novelty (BERT): 0.454540725256348
- Combined Prediction Score: 0.7215035952080934
- Mean Citation Score: 179.955052
- Max Citation Score: 189.55452
- Similarity Product: 149.1245313424015

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