Inventor
Paul Kwong Shun CHEUNG
Inventor
HK
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds15%
E21BEarth or rock drilling15%
A45CPurses8%
A45FTravelling or camp equipment: sacks or packs carried on the body8%
B29BPreparation or pretreatment of the material to be shaped8%
B29CShaping or joining of plastics8%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts8%
C08LCompositions of macromolecular compounds8%
C09JAdhesives8%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids8%
PatentTitleYear
12,551,001Convertible carrying case202612,338,730System and method for orienting and anchoring downhole tools202511,673,297Molding method for producing a stator for a screw drilling tool using elastomer material202311,555,087Prepolymer of elastomer material for screw drilling tool and preparation method thereof2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023Patents assigned to SHANGHAI PUJIA DRILLING TECH CO LTD (2)· patent assignee history
2023Based in CA· patent location history
2025–2026Patents assigned to BRIGHT FAST INTERNATIONAL LTD (2)· patent assignee history
2025–2026Based in HK· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIGHT FAST INTERNATIONAL LTD | 2 | 2025–2026 |
| SHANGHAI PUJIA DRILLING TECH CO LTD | 2 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| HK | 2 | 2025–2026 |
| CA | 2 | 2023 |