Despatch Industries Limited Partnership
24Patents
4Active
24Granted
38Portfolio score
Filing activity: Sep 8, 1975 → Jan 19, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5446289A | Ultraviolet passthrough sterilization device | Human Necessities | 60 | Expired |
| US4988288A | Material heating oven | Human Necessities | 48 | Expired |
| US4729246A | Product testing system | Physics | 37 | Expired |
| US5263265A | Convection/radiation material treatment oven | Performing Operations; Transporting | 29 | Expired |
| US4208572A | Oven | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5525295A | Barrier isolation system | Human Necessities | 23 | Expired |
| US4821866A | Conveyor for a clean room | Performing Operations; Transporting | 22 | Expired |
| US5431491A | Insertion and ejection apparatus for environmental test chambers | Physics | 19 | Expired |
| US4322964A | Gas analyzer calibration apparatus | Physics | 19 | Expired |
| US7514650B2 | Continuous infrared furnace | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US4515561A | Fiber treatment oven | Textiles; Paper | 18 | Expired |
| US4116612A | Gas monitor system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4361744A | Microwave process unit | Electricity | 14 | Expired |
| US4032289A | Convection oven | Human Necessities | 13 | Expired |
| US6048493A | Sterilizable passageway | Human Necessities | 12 | Expired |
| US8308356B2 | Enclosure and method for temperature-sensitive components | Physics | 10 | Active |
| US6036793A | Method of heat treating oxygen-sensitive products | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5516489A | Apparatus for testing peroxide concentrations in sterilants | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5436569A | Electronic component testing oven | Physics | 9 | Expired |
| US4846669A | Continuous material heating oven | Human Necessities | 8 | Expired |
| US8007276B2 | Fiber treatment oven with adjustable gates | Textiles; Paper | 8 | Active |
| US6879779B2 | Annealing oven with heat transfer plate | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5788484A | Rapid cycle treatment oven | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US9217212B2 | Oven with gas circulation system and method | Textiles; Paper | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.