McMaster University
257Patents
207Active
257Granted
58Portfolio score
Filing activity: Sep 22, 1987 → Jan 9, 2024 · 28 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7979157B2 | Multi-purpose robotic operating system and method | Physics | 581 | Active |
| US5283185A | Method for delivering nucleic acids into cells | Chemistry; Metallurgy | 260 | Expired |
| US8224254B2 | Operating environment analysis techniques for wireless communication systems | Electricity | 170 | Active |
| US8060035B2 | Transmit power control techniques for wireless communication systems | Electricity | 169 | Active |
| US5452178A | Structure and method of making a capacitor for an intergrated circuit | Electricity | 124 | Expired |
| US6258276A | Microporous membranes and uses thereof | Emerging Cross-Sectional Technologies | 102 | Expired |
| US6635104B2 | Gas separation device | Performing Operations; Transporting | 90 | Expired |
| US5824497A | High efficiency translation of mRNA molecules | Chemistry; Metallurgy | 74 | Expired |
| US8095175B2 | WLAN-to-WWAN handover methods and apparatus using a WLAN support node having a WWAN interface | Electricity | 73 | Active |
| US7149320B2 | Binaural adaptive hearing aid | Electricity | 72 | Expired |
| US5082173A | Environmental controller for a sealed structure | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5330931A | Method of making a capacitor for an integrated circuit | Electricity | 62 | Expired |
| US10293702B2 | Reconfigurable hybrid energy storage system for electrified vehicles | Emerging Cross-Sectional Technologies | 61 | Active |
| US5807707A | High efficiency translation of mRNA molecules | Chemistry; Metallurgy | 60 | Expired |
| US7604746B2 | Pervaporation composite membranes | Emerging Cross-Sectional Technologies | 57 | Active |
| US7247370B2 | Asymmetric gel-filled microporous membranes | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5324647A | Fibrin coated polymer surfaces | Emerging Cross-Sectional Technologies | 47 | Expired |
| US9758047B2 | Dual voltage charging system with an integrated active filter auxiliary power module | Emerging Cross-Sectional Technologies | 43 | Active |
| US9174741B2 | Hybrid powertrain system | Emerging Cross-Sectional Technologies | 37 | Active |
| US6056929A | Method and apparatus for production of radioactive iodine | Physics | 33 | Expired |
| US9145136B2 | Powertrain system for hybrid vehicles having compound and split modes of operation | Emerging Cross-Sectional Technologies | 32 | Active |
| US9421855B2 | Powertrain system for hybrid vehicles having multiple modes of operation | Emerging Cross-Sectional Technologies | 27 | Active |
| US7679102B2 | Carbon passivation in solid-state light emitters | Electricity | 25 | Active |
| US9831360B2 | Integrated thermal stabilization of a microring resonator | Physics | 22 | Active |
| US6068711A | Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements | Chemistry; Metallurgy | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.