MA Industries, LLC
25Patents
7Active
25Granted
39Portfolio score
Filing activity: Aug 25, 1980 → Nov 7, 2019 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4964181A | Combined shower head and waterproof tape deck | Fixed Constructions | 59 | Expired |
| US5255859A | Method and apparatus for separating and classifying scrap plastic materials | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5262020A | Hydrometallurgical method of producing metallic lead from materials containing oxides, particularly from the active material of accumulators | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6315077A | Insert forming hole to receive manhole step | Fixed Constructions | 15 | Expired |
| US4534225A | Method and apparatus for supporting cylindrical concrete samples for testing | Physics | 14 | Expired |
| US4397424A | Battery reclaiming method and apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD504312S1 | Lift insert | General | 12 | Expired |
| US6416012B1 | Apparatuses and methods for cutting and spooling paper | Performing Operations; Transporting | 10 | Expired |
| USD666480S1 | Modular grid | General | 9 | Active |
| US7290732B2 | Systems, apparatuses and methods for cutting and spooling paper | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6109587A | Manhole lift insert locator | Fixed Constructions | 7 | Expired |
| US4365780A | Removable insert for forming holes in concrete and the like | Fixed Constructions | 7 | Expired |
| US4957671A | Manufacture of plastic products | Performing Operations; Transporting | 6 | Expired |
| USD498131S1 | Manhole lift insert with frangible positioner | General | 6 | Expired |
| US4617112A | Thermal gravity classifying apparatus and method | Emerging Cross-Sectional Technologies | 5 | Expired |
| USD490907S1 | Two-sided manhole step | General | 4 | Expired |
| USD556917S1 | Two sided manhole step | General | 3 | Expired |
| US7487629B2 | Devices and methods for twisting yarn | Textiles; Paper | 2 | Active |
| US5277272A | Manhole ladder | Fixed Constructions | 2 | Expired |
| US8336833B2 | Modular grid system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| USD672630S1 | Pocket forming insert | General | 1 | Active |
| USD839451S1 | Manhole step | General | 0 | Active |
| USD656390S1 | Modular grid | General | 0 | Expired |
| US11154737B2 | Flame retardant porous plastic resins | Emerging Cross-Sectional Technologies | 0 | Active |
| US12161073B2 | Crop input application systems, methods, and apparatus | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.