SP Industries LLC
23Patents
10Active
23Granted
43Portfolio score
Filing activity: Jul 20, 1981 → Jul 21, 2021 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5375477A | Water impurity extraction device and method | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5267790A | Temperature-controlled homogenizer with sample gripper | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6109780A | Dynamic vortex impeller | Chemistry; Metallurgy | 23 | Expired |
| US7275906B1 | Waste/recyclables loading machine | Performing Operations; Transporting | 22 | Expired |
| US4421289A | Shelf support | Human Necessities | 19 | Expired |
| US7866932B1 | Container loader with container wall protector and method for loading a container | Performing Operations; Transporting | 16 | Active |
| US10113797B2 | Energy recovery in a freeze-drying system | Emerging Cross-Sectional Technologies | 16 | Active |
| US5275723A | Mobile phase reservoir | Physics | 13 | Expired |
| USD273460S | Bolt | General | 11 | Expired |
| US5447079A | Water impurity extraction device and method | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8844099B2 | Handle device | Emerging Cross-Sectional Technologies | 9 | Active |
| USD341205S | Liquid chromatograph mobile reservoir | General | 8 | Expired |
| US5265642A | Pressure relief valve in a cap | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5199187A | Freeze dryer apparatus having an interim condensing system and use thereof | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US9200836B2 | Lyophilization system and method | Human Necessities | 6 | Active |
| US5407569A | Mobile phase reservoir | Physics | 5 | Expired |
| US10782070B2 | Energy recovery in a freeze-drying system | Emerging Cross-Sectional Technologies | 4 | Active |
| US9651305B2 | Lyophilization system and method | Human Necessities | 4 | Active |
| US11181320B2 | Energy recovery in a freeze-drying system | Emerging Cross-Sectional Technologies | 3 | Active |
| US9453675B2 | Method of inducing nucleation of a material | Human Necessities | 2 | Active |
| USD350609S | Liquid chiromatograph mobile reservoir | General | 0 | Expired |
| US10976104B2 | Means and methods for selective shelf temperature control | Mechanical Engineering; Lighting; Heating | 0 | Active |
| USD998035S1 | Identification holder | General | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.