Christopher Ziolkowski
12Patents
5h-index
13Co-inventors
63Inventor score
Filing activity: Mar 18, 1985 → Jun 24, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4646787A | Pneumatic pipe inspection device | Physics | 151 | Expired |
| US6725705B1 | Enhanced acoustic detection of gas leaks in underground gas pipelines | Physics | 88 | Expired |
| US5999107A | Remote cathodic protection monitoring system | Chemistry; Metallurgy | 17 | Expired |
| US6112137A | Adaptive system for predictive control of district pressure regulators | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5027644A | Method and apparatus for injecting acoustic signals into live gas mains | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9000778B2 | Communication method for monitoring pipelines | Physics | 4 | Active |
| US6968735B2 | Long range data transmitter for horizontal directional drilling | Fixed Constructions | 3 | Expired |
| US6690278B2 | Electronic marker for metallic valve box covers | Physics | 3 | Expired |
| US8981903B2 | Device for marking out buried objects | Physics | 2 | Active |
| US8555722B2 | Method and apparatus for underground line crossing detection | Physics | 1 | Active |
| US12061902B1 | Auditable authorship attribution with automatically applied authorship tokens | Physics | 0 | Active |
| US12190106B2 | Auditable authorship attribution with automatically applied authorship tokens | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.