SOUTHWEST RESEARCH INSTITUTE
1,121Patents
542Active
1,121Granted
57Portfolio score
Filing activity: Apr 6, 1973 → Apr 25, 2024 · 150 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8815594B2 | Hybrid tissue scaffold for tissue engineering | Chemistry; Metallurgy | 759 | Active |
| US6411328B1 | Method and apparatus for traffic incident detection | Electricity | 281 | Expired |
| US5539649A | Automated design and manufacture of artificial limbs | Emerging Cross-Sectional Technologies | 187 | Expired |
| US5262644A | Remote spectroscopy for raman and brillouin scattering | Physics | 179 | Expired |
| US5725573A | Medical implants made of metal alloys bearing cohesive diamond like carbon coatings | Human Necessities | 159 | Expired |
| US5875743A | Apparatus and method for reducing emissions in a dual combustion mode diesel engine | Emerging Cross-Sectional Technologies | 156 | Expired |
| US6985172B1 | Model-based incident detection system with motion classification | Physics | 145 | Expired |
| US7126557B2 | Tapered area small helix antenna | Electricity | 134 | Expired |
| US5581037A | Nondestructive evaluation of pipes and tubes using magnetostrictive sensors | Physics | 134 | Expired |
| US5754143A | Switch-tuned meandered-slot antenna | Electricity | 131 | Expired |
| US5865756A | System and method for identifying and correcting abnormal oscillometric pulse waves | Human Necessities | 122 | Expired |
| US5593719A | Treatments to reduce frictional wear between components made of ultra-high molecular weight polyethylene and metal alloys | Emerging Cross-Sectional Technologies | 117 | Expired |
| US6656135B2 | Passive and wireless displacement measuring device | Human Necessities | 116 | Expired |
| US5895359A | System and method for correcting a living subject's measured blood pressure | Human Necessities | 113 | Expired |
| US6029558A | Reactive personnel protection system | Mechanical Engineering; Lighting; Heating | 111 | Expired |
| US5294446A | Composition and method of promoting hard tissue healing | Chemistry; Metallurgy | 108 | Expired |
| US4801411A | Method and apparatus for producing monosize ceramic particles | Chemistry; Metallurgy | 97 | Expired |
| US4655434A | Energy absorbing guardrail terminal | Mechanical Engineering; Lighting; Heating | 93 | Expired |
| US5735905A | Shock absorbing element for a load bearing prosthesis | Human Necessities | 91 | Expired |
| US6912414B2 | Electrode systems and methods for reducing motion artifact | Human Necessities | 90 | Expired |
| US5832880A | Apparatus and method for controlling homogeneous charge compression ignition combustion in diesel engines | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5767766A | Apparatus and method for monitoring vehicular impacts using magnetostrictive sensors | Performing Operations; Transporting | 89 | Expired |
| US6138649A | Fast acting exhaust gas recirculation system | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4100491A | Automatic self-cleaning ferromagnetic metal detector | Mechanical Engineering; Lighting; Heating | 87 | Expired |
| US7721543B2 | System and method for cooling a combustion gas charge | Emerging Cross-Sectional Technologies | 86 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.