NORTHGATE TECHNOLOGIES, INC.
58Patents
42Active
58Granted
50Portfolio score
Filing activity: Nov 23, 1990 → Apr 24, 2024 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9283334B2 | System for identifying the presence and correctness of a medical device accessory | Human Necessities | 263 | Active |
| US5464391A | Irrigation system for a surgical site | Emerging Cross-Sectional Technologies | 155 | Expired |
| US6299592A | Laparoscopic insufflator | Human Necessities | 99 | Expired |
| US5152767A | Invasive lithotripter with focused shockwave | Human Necessities | 94 | Expired |
| US5505707A | Tubing system with pump for delivering continuous fluid flow or fluid bolus to a surgical site | Human Necessities | 73 | Expired |
| US6302864A | Apparatus and method for delivering fluid flow to a surgical site | Human Necessities | 73 | Expired |
| US5766168A | Perforated resectoscope electrode assembly | Human Necessities | 71 | Expired |
| US5605545A | Tubing system for delivering fluid to a surgical site | Human Necessities | 52 | Expired |
| US6905489B2 | Laparoscopic insertion device | Human Necessities | 47 | Expired |
| US6121555A | Fluid container sensor | Physics | 43 | Expired |
| US9579114B2 | Radially-firing electrohydraulic lithotripsy probe | Human Necessities | 31 | Active |
| US9861377B2 | Unfocused electrohydraulic lithotripter | Human Necessities | 26 | Active |
| US5782829A | Resectoscope electrode assembly and methods of use | Human Necessities | 25 | Expired |
| US7740288B2 | High-flow luer lock connector for a luer lock connection | Human Necessities | 24 | Active |
| US7654975B2 | Mixed-gas insufflation system | Human Necessities | 22 | Active |
| US6976489B2 | Method and apparatus for humidification and warming of air | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6312434A | Device for producing a shock wave to impact an object | Human Necessities | 21 | Expired |
| US5292304A | Insufflator digital gas flow system | Human Necessities | 18 | Expired |
| US8091546B2 | Method and apparatus for humidification and warming of air | Emerging Cross-Sectional Technologies | 16 | Active |
| USD385351S | Tip portion of a resectoscope electrode | General | 13 | Expired |
| US7704223B2 | System and method for delivering a substance to a body cavity | Human Necessities | 11 | Active |
| US8613738B2 | High-flow luer lock connector for a luer lock connection | Human Necessities | 11 | Active |
| US7647925B2 | Method and apparatus for humidification and warming of air | Emerging Cross-Sectional Technologies | 9 | Active |
| US7938793B2 | Mixed-gas insufflation system | Human Necessities | 7 | Active |
| US7762251B2 | Method and apparatus for humidification and warming of air | Emerging Cross-Sectional Technologies | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.