CTB, Inc.
131Patents
66Active
131Granted
59Portfolio score
Filing activity: Feb 14, 1983 → Apr 22, 2024 · 23 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4527513A | Poultry waterer | Human Necessities | 69 | Expired |
| US5048448A | Boat dock structure | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5092274A | Poultry feeder | Human Necessities | 66 | Expired |
| US5492082A | Method and apparatus for controlling temperature within poultry houses and the like | Human Necessities | 63 | Expired |
| US5009045A | Plank structure for boat dock and the like | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4995343A | Feeder apparatus | Human Necessities | 45 | Expired |
| US5941193A | Adjustable poultry feeder assembly | Human Necessities | 36 | Expired |
| USD426682S | Chick feeder | General | 34 | Expired |
| US4834026A | Poultry feeder assembly | Human Necessities | 32 | Expired |
| US6173676A | Adjustable poultry feeder assembly | Human Necessities | 32 | Expired |
| US6164311A | Pressure regulator for watering system | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5567200A | Method and apparatus for circulating air | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| USD582102S1 | Watering disc for poultry | General | 27 | Expired |
| US5154138A | Watering nipple | Human Necessities | 26 | Expired |
| US5070817A | Conical dome valve | Human Necessities | 25 | Expired |
| USD295091S | Hanging poultry watering unit | General | 25 | Expired |
| US5456210A | Watering system for poultry and the like | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5771921A | Pressure regulator | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4676197A | Feeder for hogs and like animals | Human Necessities | 21 | Expired |
| US5150666A | Feeding apparatus | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6170435A | Poultry feeder with position adjustable poultry drinker combination | Human Necessities | 21 | Expired |
| US5279254A | Egg collector having separate continuous flexible belts of baskets for each cage conveyor | Human Necessities | 21 | Expired |
| US5651534A | Modular fencing system | Fixed Constructions | 20 | Expired |
| US7156051B2 | Method for enhancing poultry production | Human Necessities | 19 | Expired |
| US5145460A | Rolling ramp gasket assembly | Mechanical Engineering; Lighting; Heating | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.