von Holdt; John W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for von Holdt; John W..The latest application filed is for "plastic lid construction".
- von Holdt; John W. - Glenview IL
- von Holdt; John W. - Niles IL
| Patent | Date |
|---|---|
| Plastic lid construction Grant 6,880,716 - Gottainer , et al. April 19, 2 | 2005-04-19 |
| Universal mold Grant 6,171,094 - Von Holdt January 9, 2 | 2001-01-09 |
| Container connector system Grant 4,982,858 - von Holdt January 8, 1 | 1991-01-08 |
| Locking container connector system Grant 4,966,298 - Von Holdt October 30, 1 | 1990-10-30 |
| Childproof closure for large containers Grant 4,961,512 - Von Holdt October 9, 1 | 1990-10-09 |
| Two stage mold centering system Grant 4,856,977 - Von Holdt August 15, 1 | 1989-08-15 |
| Flex gate Grant 4,808,106 - Von Holdt February 28, 1 | 1989-02-28 |
| Rear opening mold process Grant 4,756,865 - von Holdt July 12, 1 | 1988-07-12 |
| Plastic lid having opening means Grant 4,735,337 - Von Holdt April 5, 1 | 1988-04-05 |
| Rear opening mold Grant 4,731,014 - Von Holdt March 15, 1 | 1988-03-15 |
| Molded pull fitting Grant 4,706,838 - Von Holdt November 17, 1 | 1987-11-17 |
| Molded plastic container with inner tubular member Grant 4,653,669 - Von Holdt March 31, 1 | 1987-03-31 |
| Mold for manufacturing flanged objects without side action Grant 4,648,834 - Von Holdt March 10, 1 | 1987-03-10 |
| Mold for making a bucket with bail Grant 4,632,357 - Von Holdt December 30, 1 | 1986-12-30 |
| Collapsible core Grant 4,627,810 - Von Holdt December 9, 1 | 1986-12-09 |
| Container having a snap-on lid Grant 4,574,974 - von Holdt March 11, 1 | 1986-03-11 |
| Molded bucket and lid having high stack strength Grant 4,512,493 - Von Holdt April 23, 1 | 1985-04-23 |
| Plastic container having tongue and groove retention Grant 4,512,494 - Von Holdt April 23, 1 | 1985-04-23 |
| Pivot mold assembly method Grant 4,476,083 - von Holdt October 9, 1 | 1984-10-09 |
| Container closure Grant 4,452,382 - Von Holdt June 5, 1 | 1984-06-05 |
| Molded bucket and lid having high stack strength Grant 4,420,093 - Von Holdt December 13, 1 | 1983-12-13 |
| Plastic bucket defining annular inwardly projecting ridge and method Grant 4,375,948 - von Holdt March 8, 1 | 1983-03-08 |
| Plastic bucket defining annular inwardly projecting ridge Grant 4,308,970 - Von Holdt January 5, 1 | 1982-01-05 |
| Hydrostatic mold gate Grant 4,289,468 - von Holdt September 15, 1 | 1981-09-15 |
| Mold gate permitting the introduction of stiff molding compound into a mold chamber Grant 4,289,473 - Von Holdt September 15, 1 | 1981-09-15 |
| Collapsible mold core Grant 4,286,766 - von Holdt September 1, 1 | 1981-09-01 |
| Seal for plastic buckets and cans Grant 4,210,258 - von Holdt July 1, 1 | 1980-07-01 |
| Pivot assembly mold apparatus Grant 4,125,246 - VON Holdt November 14, 1 | 1978-11-14 |
| Method of molding a cassette half with window insert Grant 4,117,069 - Von Holdt September 26, 1 | 1978-09-26 |
| Dispensing drawer assembly Grant 4,085,870 - Von Holdt April 25, 1 | 1978-04-25 |
| Apparatus for molding an insert member in a frame member Grant 4,061,455 - von Holdt December 6, 1 | 1977-12-06 |
| Release Apparatus For Diecasting Assembly Grant 3,642,417 - Von Holdt February 15, 1 | 1972-02-15 |
| Heated Feeder System For Diecasting Apparatus Grant 3,642,418 - Von Holdt February 15, 1 | 1972-02-15 |
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