IPL INC.
86Patents
42Active
86Granted
46Portfolio score
Filing activity: Mar 29, 1988 → Sep 8, 2020 · 14 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5515987A | Five-piece container having foldable side pieces | Performing Operations; Transporting | 82 | Expired |
| US5372257A | Stackable load bearing tray | Performing Operations; Transporting | 66 | Expired |
| US5853099A | Five-piece open container with locking arrangement | Performing Operations; Transporting | 50 | Expired |
| US5353948A | Plastic container with hinged lids | Performing Operations; Transporting | 49 | Expired |
| US5027969A | Closure and container combination | Performing Operations; Transporting | 45 | Expired |
| USD536248S1 | Container lid | General | 41 | Expired |
| US5582296A | Stackable load bearing tray | Performing Operations; Transporting | 38 | Expired |
| USD410387S | Lid for container | General | 37 | Expired |
| US5261625A | Device for dispensing wire, cable or the like | Performing Operations; Transporting | 32 | Expired |
| USD312573S | Container for lobsters or the like | General | 30 | Expired |
| US5699926A | Five-piece container with stabilizer tablet | Performing Operations; Transporting | 30 | Expired |
| US5111954A | Tamper evident container | Performing Operations; Transporting | 27 | Expired |
| USD316674S | Container | General | 27 | Expired |
| USD657106S1 | Waste cart | General | 27 | Expired |
| US5054820A | Connector for sap collecting system | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6199786A | Wire reel assembly and wire reel therefor | Performing Operations; Transporting | 26 | Expired |
| USD688018S1 | Container | General | 24 | Active |
| USD722735S1 | Kitchen waste bin | General | 24 | Active |
| US6041931A | Lidded container for lobsters or like crustacean | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5746342A | Five-piece container with hingeable sides | Performing Operations; Transporting | 23 | Expired |
| US5360112A | Device for use with pallets supporting stacked bottles | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5988420A | Container lid | Performing Operations; Transporting | 22 | Expired |
| USD634912S1 | Lock | General | 19 | Expired |
| USD903482S1 | Container | General | 18 | Active |
| US5881880A | Nestable lid | Performing Operations; Transporting | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.