Inventor · disambiguated record
William A. Tennant
Also filed as: TENNANT WILLIAM · TENNANT WILLIAM A
20 granted patents·722 citations·filing 1983–2000
97Inventor score
Files withAMERICAN NATIONAL CAN CO11AMERICAN CAN CO5AMERICAN NATIONAL CAN2PECHINEY EMBALLAGE FLEXIBLE EU1PECHINEY PLASTIC PACKAGING INC1
Top patents by PatentIndex Score
20 records- 0196US6332767B1Apparatus for injection molding multi-layer articlesPECHINEY EMBALLAGE FLEXIBLE EU·Filed 2000·Granted Dec 25, 2001·48 cites·43 claims
- 0295US5523045AMethods for injection molding and blow-molding multi-layer plastic articlesAMERICAN NATIONAL CAN CO·Filed 1994·Granted Jun 4, 1996·77 cites·35 claims
- 0393US4497621AApparatus for simultaneously driving valve means through co-injection nozzles of a multi-cavity injection molding machineAMERICAN CAN CO·Filed 1983·Granted Feb 5, 1985·74 cites·26 claims
- 0490US4946365AApparatus for injection molding and injection blow molding multi-layer articlesAMERICAN NATIONAL CAN CO·Filed 1989·Granted Aug 7, 1990·68 cites·72 claims
- 0585US4511528AFlow stream channel splitter devices for multi-coinjection nozzle injection molding machinesAMERICAN CAN CO·Filed 1983·Granted Apr 16, 1985·48 cites·93 claims
- 0681US5037285AApparatus for injection molding and injection blow molding multi-layer articlesAMERICAN NATIONAL CAN CO·Filed 1990·Granted Aug 6, 1991·66 cites·59 claims
- 0781US4712990AApparatus for injection molding and injection blow molding multi-layer articlesAMERICAN CAN CO·Filed 1983·Granted Dec 15, 1987·40 cites·123 claims
- 0878US6129960AMethods and apparatus for injection molding and injection blow molding multi-layer plastic and the articles made therebyPECHINEY PLASTIC PACKAGING INC·Filed 1999·Granted Oct 10, 2000·37 cites·29 claims
- 0975US5975871AMethods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made therebyAMERICAN NATIONAL CAN·Filed 1996·Granted Nov 2, 1999·22 cites·14 claims
- 1075US4895504AApparatus for injection molding and injection blow molding multi-layer articlesAMERICAN NATIONAL CAN CO·Filed 1986·Granted Jan 23, 1990·34 cites·41 claims
- 1174US4934915AApparatus for injection molding multi-layer articlesAMERICAN NATIONAL CAN CO·Filed 1986·Granted Jun 19, 1990·32 cites·149 claims
- 1271US4892699AMethods for injection molding and injection blow molding multi-layer articlesAMERICAN NATIONAL CAN CO·Filed 1986·Granted Jan 9, 1990·29 cites·101 claims
- 1369US5968558AApparatus for injection molding and injection blow molding multi-layer articlesAMERICAN NATIONAL CAN·Filed 1996·Granted Oct 19, 1999·17 cites·74 claims
- 1467US5853772AMethods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made therebyAMERICAN NATIONAL CAN CO·Filed 1996·Granted Dec 29, 1998·15 cites·21 claims
- 1567US4931246AMethod for injection molding multi-layer articlesAMERICAN NATIONAL CAN CO·Filed 1986·Granted Jun 5, 1990·26 cites·64 claims
- 1666US4518344AMethods and apparatus for maintaining a pressure contact seal between nozzles and cavities of an on-line injection molding machineAMERICAN CAN CO·Filed 1983·Granted May 21, 1985·23 cites·47 claims
- 1761US4512730APolymer flow stream redirecting and feeding deviceAMERICAN CAN CO·Filed 1983·Granted Apr 23, 1985·21 cites·23 claims
- 1860US4745013AMulti-layer molded articlesAMERICAN NATIONAL CAN CO·Filed 1986·Granted May 17, 1988·19 cites·68 claims
- 1958US6095785AApparatus for injection moulding multi-layer articlesAMERICAN NATIONAL CAN CO·Filed 1998·Granted Aug 1, 2000·10 cites·9 claims
- 2054US4925100AMethods and apparatus for injection molding and injection blow molding multi-layer articles, and articles made therebyAMERICAN NATIONAL CAN CO·Filed 1989·Granted May 15, 1990·16 cites·9 claims
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