PATENT CLAIM ANALYSIS

Application Number: 15747418
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-12
Patent Classification: ["166", "379000"]

Abstract:
A lifting apparatus for lifting drill string components from a wellbore, the lifting apparatus comprising: upper and lower support elements, each of the support elements having a central aperture passing therethrough; a lifting arrangement which is operable to vary the distance between the upper and lower support elements between a first, relatively short distance and a second, relatively long distance; and selective gripping arrangements held or supported by the upper and lower support elements, respectively, each selective gripping arrangement being operable to apply a gripping force to the exterior of a substantially tubular element passing through the central apertures of the upper and lower support elements, wherein the selective gripping arrangements may be activated or deactivated independently of one another.

Claim (Index 19):
A lifting apparatus according to  claim 1 , further comprising a rotation arrangement disposed between the lower support element and the gripping arrangement that is held or supported by the lower support element, so that the gripping arrangement is able to rotate with respect to the lower support element.

Metadata:
- Claim Count in Document: 22.0
- Percentile: 86.0
- Lexical Diversity: 1.98485
- Patent Class: 166.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['11230585', '15359290', '14520083', '10621971', '13169356']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8387416949437569
- 35 USC 102 Novelty (BERT): 0.4724098856437339
- Combined Prediction Score: 0.8021085140137547
- Mean Citation Score: 171.34894599999996
- Max Citation Score: 186.25159
- Similarity Product: 124.15448632553937

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

Dataset: test