PLM AB
39Patents
0Active
39Granted
35Portfolio score
Filing activity: Jul 7, 1977 → Aug 27, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5034252A | Oxygen barrier properties of pet containers | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5007231A | Container | Performing Operations; Transporting | 57 | Expired |
| US4701121A | Apparatus for producing a biaxially oriented container of polyethylene terephthalate or similar material | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4982555A | Method and apparatus for the closing of a container | Performing Operations; Transporting | 37 | Expired |
| US4132638A | Aerobic, thermophilic degradation with enzyme addition | Emerging Cross-Sectional Technologies | 37 | Expired |
| USD439328S | Container for infusion and other liquids | General | 37 | Expired |
| US4391861A | Preform of a thermoplastic | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4615925A | Barrier-coated tube of biaxially stretched thermoplastic material having a monoaxially stretched barrier coating thereon | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4381277A | Method for producing containers | Performing Operations; Transporting | 29 | Expired |
| US4836401A | Container for liquids and method for filling and sealing the container | Performing Operations; Transporting | 29 | Expired |
| US4467929A | Oriented plastic container | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4540544A | Method of producing a biaxially oriented container of polyethylene terephthalate or similar material | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4704243A | Method for producing a thermoplastic container having a ring-shaped reinforcing zone at its bottom | Performing Operations; Transporting | 20 | Expired |
| US4564495A | Method of producing a container | Performing Operations; Transporting | 17 | Expired |
| US4725219A | Device for the stretching of thermoplastic materials | Performing Operations; Transporting | 16 | Expired |
| US4331246A | Container | Performing Operations; Transporting | 16 | Expired |
| US4991734A | Thermoplastic container having a ring-shaped reinforcing zone at its bottom | Performing Operations; Transporting | 11 | Expired |
| US4405546A | Method for producing a tubular object of polyethylene terephthalate or similar thermoplastic material from a tubular blank of amorphous material | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5145629A | Process and apparatus for temperature conditioning a thermoplastic blank | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4410142A | Method and apparatus for composting waste | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4512735A | Apparatus for blow molding a container having an upward bulged bottom | Performing Operations; Transporting | 8 | Expired |
| US4795055A | Container having a pull ring for separation and removal of a lid | Performing Operations; Transporting | 8 | Expired |
| US5429777A | Method and apparatus for manufacturing of a container | Performing Operations; Transporting | 8 | Expired |
| US4857369A | Method for the closing of containers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4595550A | Method for the crystallization of thermoplastic material | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.