WELKER, INC.
20Patents
20Active
20Granted
49Portfolio score
Filing activity: Jul 20, 2005 → Oct 4, 2023 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7471882B2 | Heated regulator with removable heat inducer and fluid heater and methods of use | Physics | 13 | Active |
| US8347694B2 | LNG collection system and method | Emerging Cross-Sectional Technologies | 8 | Active |
| US8210058B2 | LNG sampling cylinder and method | Physics | 3 | Active |
| US10995293B2 | System and method for odorizing natural gas | Emerging Cross-Sectional Technologies | 2 | Active |
| US10344237B2 | System and method for odorizing natural gas | Emerging Cross-Sectional Technologies | 2 | Active |
| US11209838B2 | Method for odorizing natural gas | Emerging Cross-Sectional Technologies | 2 | Active |
| US8800394B2 | Transportable liquid phase LNG sample apparatus and method | Physics | 1 | Active |
| US11187633B2 | Liquefied natural gas vaporization sampling system | Physics | 1 | Active |
| US7493914B2 | Newtonian thrust cowl array | Emerging Cross-Sectional Technologies | 1 | Active |
| US9255862B2 | Gasoline blend spot sampling system and method | Physics | 1 | Active |
| US12158141B1 | Inverted fluid chamber | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11499894B2 | Sample pressure reducing system | Physics | 0 | Active |
| US9506842B2 | Volumetric sample adjustment assembly located outside a liquid process line | Physics | 0 | Active |
| US7856997B2 | Removable automatic insertion device with segmented drainage shaft | Emerging Cross-Sectional Technologies | 0 | Active |
| US8113070B2 | Sight glass with a flow directing assembly | Physics | 0 | Active |
| US12264995B2 | Leak monitoring manifold for a pumping system | Physics | 0 | Active |
| US9410541B2 | Liquid sample pump with integral self-cleaning filter element | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11624481B2 | Odorization system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8127625B2 | Sight glass with liquid separator | Physics | 0 | Active |
| US9651459B2 | Gasoline blend spot sampling system and method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.