David C. Howson
26Patents
21h-index
25Co-inventors
85Inventor score
Filing activity: Feb 7, 1977 → Nov 30, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5088981A | Safety enhanced device and method for effecting application of a therapeutic agent | Emerging Cross-Sectional Technologies | 664 | Expired |
| US4676776A | Device and method for effecting application of a therapeutic agent | Emerging Cross-Sectional Technologies | 359 | Expired |
| US5368030A | Non-invasive multi-modality radiographic surface markers | Human Necessities | 357 | Expired |
| US4810243A | Device and method for effecting application of a therapeutic agent | Emerging Cross-Sectional Technologies | 306 | Expired |
| US4908017A | Failsafe apparatus and method for effecting syringe drive | Emerging Cross-Sectional Technologies | 302 | Expired |
| US4082087A | Body contact electrode structure for deriving electrical signals due to physiological activity | Human Necessities | 254 | Expired |
| US4834152A | Storage receptacle sealing and transfer apparatus | Emerging Cross-Sectional Technologies | 251 | Expired |
| US5314411A | Catheterization system with universal retention device and method of use | Human Necessities | 220 | Expired |
| US4804054A | Device and method for precise subcutaneous placement of a medical instrument | Human Necessities | 186 | Expired |
| US4235242A | Electronic circuit permitting simultaneous use of stimulating and monitoring equipment | Emerging Cross-Sectional Technologies | 183 | Expired |
| US4846797A | Syringe positioning device for enhancing fluid flow control | Emerging Cross-Sectional Technologies | 155 | Expired |
| US4722733A | Drug handling apparatus and method | Human Necessities | 108 | Expired |
| US5290248A | Sideport connector for catherization system | Human Necessities | 77 | Expired |
| US7341841B2 | Rapid microbial detection and antimicrobial susceptibility testing | Physics | 70 | Expired |
| US8071319B2 | Rapid microbial detection and antimicrobial susceptibiility testing | Physics | 67 | Active |
| US7687239B2 | Sensitive and rapid determination of antimicrobial susceptibility | Performing Operations; Transporting | 65 | Active |
| US4326534A | Transcutaneous electrical muscle stimulation for treatment of scoliosis and other spinal deformities | Human Necessities | 64 | Expired |
| US8895255B1 | Sensitive and rapid determination of antimicrobial susceptibility | Performing Operations; Transporting | 56 | Active |
| US7364553B2 | Breath aerosol management and collection system | Human Necessities | 44 | Expired |
| US8460887B2 | Sensitive and rapid determination of antimicrobial susceptibility | Performing Operations; Transporting | 37 | Active |
| US4136684A | Linear electromyographic biofeedback system | Human Necessities | 24 | Expired |
| US9657327B2 | Rapid microbial detection and antimicrobial susceptibility testing | Physics | 19 | Active |
| US9677109B2 | Rapid determination of microbial growth and antimicrobial susceptibility | Physics | 19 | Active |
| US9841422B2 | Sensitive and rapid determination of antimicrobial susceptibility | Performing Operations; Transporting | 11 | Active |
| US11054420B2 | Sensitive and rapid determination of antimicrobial susceptibility | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.