Peerless Machine & Tool Corporation
22Patents
5Active
22Granted
41Portfolio score
Filing activity: Dec 5, 1975 → Dec 19, 2022
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4755128A | Apparatus for releasing a press-formed article from a die set | Performing Operations; Transporting | 69 | Expired |
| US4778439A | Apparatus and method for forming a clamshell assembly | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6527687B1 | Pressed paper cut-in-place die | Performing Operations; Transporting | 36 | Expired |
| US3983827A | Tab scoring for containers and lids | Performing Operations; Transporting | 30 | Expired |
| US4149841A | Apparatus of making a compartment tray | Performing Operations; Transporting | 30 | Expired |
| US4228121A | Method and apparatus for forming multiple thickness bead | Performing Operations; Transporting | 29 | Expired |
| US4690666A | Tray-forming apparatus | Performing Operations; Transporting | 28 | Expired |
| US4127378A | Apparatus for cold-forming plastic sheet | Performing Operations; Transporting | 25 | Expired |
| US4637811A | Container die system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4435143A | Small blank feeder and tray former | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4246223A | Method and apparatus of making a compartment tray | Performing Operations; Transporting | 17 | Expired |
| US4071598A | Method for cold-forming plastic sheet | Performing Operations; Transporting | 16 | Expired |
| US5140882A | Assembly for severing sheet material | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5052992A | Cut and score die apparatus and method | Performing Operations; Transporting | 10 | Expired |
| US4691604A | Anti-jamming die | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4497620A | Small press for forming sheet material | Performing Operations; Transporting | 7 | Expired |
| US4077756A | Injection molding extrusion mixer | Performing Operations; Transporting | 7 | Expired |
| US10647467B1 | Paperboard tray with fold-over flange | Performing Operations; Transporting | 4 | Active |
| US10368668B2 | Cup lid manufacturing process | Performing Operations; Transporting | 3 | Active |
| US11535417B2 | Meat tray | Performing Operations; Transporting | 2 | Active |
| US11840368B2 | Meat tray | Performing Operations; Transporting | 0 | Active |
| US8870730B2 | Cup lid manufacturing process | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.