SHAWCOR LTD.
42Patents
32Active
42Granted
52Portfolio score
Filing activity: May 13, 1999 → Oct 26, 2021 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6355318B1 | Heat shrinkable member | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6569915B1 | Crosslinked, heat shrinkable polypropylene compositions | Chemistry; Metallurgy | 32 | Expired |
| US10234068B2 | Foamed insulation coating on pipes and methods therefor | Chemistry; Metallurgy | 27 | Active |
| US10471661B2 | Apparatus and system for electro-fusion of polyethylene pipeline | Mechanical Engineering; Lighting; Heating | 27 | Active |
| US6455637B1 | Crosslinked compositions containing silane-modified polyolefins and polypropylenes | Chemistry; Metallurgy | 26 | Expired |
| US7744803B2 | Photo-crosslinkable polyolefin compositions | Emerging Cross-Sectional Technologies | 24 | Active |
| US8397765B2 | High temperature resistant insulation for pipe | Emerging Cross-Sectional Technologies | 24 | Active |
| US6794453B2 | Crosslinked, predominantly polypropylene-based compositions | Chemistry; Metallurgy | 23 | Expired |
| US6465547B1 | Crosslinked compositions containing silane-modified polypropylene blends | Chemistry; Metallurgy | 20 | Expired |
| US7923121B2 | Photo-crosslinkable polyolefin compositions | Emerging Cross-Sectional Technologies | 18 | Active |
| US6454598B1 | Ionomer-insulated electrical connectors | Emerging Cross-Sectional Technologies | 17 | Expired |
| US9217720B2 | Method and apparatus for external pipeline weld inspection | Physics | 12 | Active |
| US8923478B2 | X-ray inspection apparatus for pipeline girth weld inspection | Physics | 9 | Active |
| US8714206B2 | Styrenic insulation for pipe | Performing Operations; Transporting | 8 | Active |
| US7012227B2 | Method for applying or repairing a coating on a substrate by inductive heating | Performing Operations; Transporting | 8 | Expired |
| US6468583B1 | Tracking-resistant, electrical-insulating material containing silane-modified polyolefins | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8857700B2 | Low temperature method for forming field joints on undersea pipelines | Emerging Cross-Sectional Technologies | 6 | Active |
| US7456231B2 | Radiation-crosslinked polyolefin compositions | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8840977B2 | Casing member for forming a connection between tubular sections and use thereof for forming connections | Emerging Cross-Sectional Technologies | 3 | Active |
| US10105885B2 | Two-layered injection molded field joint for pipeline applications | Performing Operations; Transporting | 2 | Active |
| US6846176B2 | Method and apparatus for heating a zone of an elongate tubular article | Performing Operations; Transporting | 2 | Expired |
| US10107438B2 | Apparatus containing multiple sequentially used infrared heating zones for tubular articles | Performing Operations; Transporting | 2 | Active |
| US9791091B2 | High temperature field joints | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7510339B2 | System for splicing fiber drop cables | Physics | 2 | Active |
| US9970504B2 | Thermal insulating concrete composition | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.