Physical Sciences Inc.
87Patents
50Active
87Granted
51Portfolio score
Filing activity: Jan 29, 1985 → Jul 2, 2021 · 18 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5246447A | Impact lithotripsy | Human Necessities | 107 | Expired |
| US5084144A | High utilization supported catalytic metal-containing gas-diffusion electrode, process for making it, and cells utilizing it | Emerging Cross-Sectional Technologies | 99 | Expired |
| US5281231A | Impact lithotrypsy | Human Necessities | 99 | Expired |
| US4684781A | Method for bonding using laser induced heat and pressure | Performing Operations; Transporting | 75 | Expired |
| US5358695A | Process for producing nanoscale ceramic powders | Chemistry; Metallurgy | 75 | Expired |
| US5973289A | Microwave-driven plasma spraying apparatus and method for spraying | Electricity | 74 | Expired |
| US5132193A | Generation of electricity with fuel cell using alcohol fuel | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5447708A | Apparatus for producing nanoscale ceramic powders | Chemistry; Metallurgy | 65 | Expired |
| US5245120A | Process for treating metal-contaminated materials | Human Necessities | 64 | Expired |
| US7404640B2 | Monitoring blood flow in the retina using a line-scanning laser ophthalmoscope | Human Necessities | 54 | Expired |
| US8201943B2 | Adaptive optics line scanning ophthalmoscope | Human Necessities | 53 | Active |
| US5556447A | Process for treating metal-contaminated materials | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US5041195A | Gold electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods of using them | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5133842A | Electrochemical cell having electrode comprising gold containing electrocatalyst | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6758564B2 | Line-scan laser ophthalmoscope | Human Necessities | 45 | Expired |
| US5767941A | Servo tracking system utilizing phase-sensitive detection of reflectance variations | Physics | 43 | Expired |
| US5461477A | Method and apparatus for imaging | Physics | 41 | Expired |
| US5610932A | Solid state dye laser host | Electricity | 34 | Expired |
| US5820627A | Real-time optical feedback control of laser lithotripsy | Human Necessities | 34 | Expired |
| US7284859B2 | Line-scan laser ophthalmoscope | Human Necessities | 34 | Expired |
| US5943115A | Servo tracking system utilizing phase-sensitive detection of reflectance variations | Physics | 30 | Expired |
| US7648242B2 | Hybrid spectral domain optical coherence tomography line scanning laser ophthalmoscope | Physics | 29 | Active |
| US6034768A | Induced breakdown spectroscopy detector system with controllable delay time | Physics | 26 | Expired |
| US5997155A | Integrating projection optic | Physics | 24 | Expired |
| US5120516A | Process for removing NO.sub.x emissions from combustion effluents | Mechanical Engineering; Lighting; Heating | 24 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.