CALDERA ENGINEERING, L.C.
13Patents
8Active
13Granted
39Portfolio score
Filing activity: Feb 22, 1999 → Oct 12, 2023 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6793198B2 | Banded valve plug head | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6523573B2 | Flash tube device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7237574B2 | Controlled dispersion multi-phase nozzle and method of making the same | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6685167B2 | Double-seated shutoff valve | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8944408B2 | Plug head assemblies | Emerging Cross-Sectional Technologies | 2 | Active |
| US6695010B2 | Segmented ceramic choke | Electricity | 1 | Expired |
| US11022228B2 | Systems and methods for a plug valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8251348B2 | Choke transfer valve trim | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9726294B2 | Plug head assemblies | Emerging Cross-Sectional Technologies | 0 | Active |
| US9291277B2 | Plug head assemblies | Emerging Cross-Sectional Technologies | 0 | Active |
| US10851913B2 | Systems and methods for a plug head assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US12416365B2 | Nonmetal valve seat housing | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9458940B2 | Plug head assemblies | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.