HATCO CORPORATION
65Patents
43Active
65Granted
50Portfolio score
Filing activity: Aug 5, 1981 → Mar 11, 2024 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6384381B2 | Oven device for rapid heating of food items | Human Necessities | 107 | Expired |
| US6262396A | Oven device for rapid heating of food items | Human Necessities | 100 | Expired |
| US4389562A | Conveyor oven | Human Necessities | 86 | Expired |
| US6031208A | Topless holding bin with side heat source | Human Necessities | 49 | Expired |
| US5365039A | Humidity controlled food warmer | Human Necessities | 47 | Expired |
| US5821503A | Conveyor speed control ciruit for a conveyor oven | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US6624396B2 | Conveyor speed control system for a conveyor oven | Human Necessities | 43 | Expired |
| US7762636B2 | Container storage assembly | Human Necessities | 41 | Active |
| US6111224A | Food warming oven with transparent heating shelves | Electricity | 41 | Expired |
| US8134101B2 | Food container | Mechanical Engineering; Lighting; Heating | 26 | Active |
| USD793801S1 | Induction appliance | General | 26 | Active |
| US5895778A | Poly(neopentyl polyol) ester based coolants and improved additive package | Chemistry; Metallurgy | 24 | Expired |
| US4822981A | Self-regulating warmer device for food products | Human Necessities | 22 | Expired |
| US7220946B2 | Food container | Human Necessities | 22 | Expired |
| US4404898A | Toaster with product warmer | Human Necessities | 20 | Expired |
| US8968848B2 | Induction heating system | Emerging Cross-Sectional Technologies | 19 | Active |
| US6914221B1 | System and method for warming food | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| USD751855S1 | Induction appliance | General | 17 | Active |
| US8124200B2 | Food packaging | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6774093B2 | High viscosity synthetic ester lubricant base stock | Chemistry; Metallurgy | 14 | Expired |
| US6436881B1 | High temperature lubricant composition | Chemistry; Metallurgy | 13 | Expired |
| US6444626B1 | Poly(neopentyl polyol) ester based coolants and improved additive package | Chemistry; Metallurgy | 12 | Expired |
| USD752271S1 | Carving station | General | 12 | Active |
| USD865435S1 | Induction warmer | General | 10 | Active |
| USD852573S1 | Induction warmer | General | 9 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.