Issued Patents All Time
Showing 276–300 of 305 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010561 | Vacuum cleaner and a filter assembly therefor | — | 2000-01-04 |
| D413698 | Vacuum cleaner | — | 1999-09-07 |
| 5937477 | Vacuum cleaner | — | 1999-08-17 |
| 5893936 | Shroud and cyclonic cleaning apparatus incorporating same | — | 1999-04-13 |
| 5893938 | Dust separation apparatus | Andrew Walter McRae Thomson, Simon Mark Bickerstaff | 1999-04-13 |
| 5858038 | Dust separation apparatus | Andrew Walter McRae Thomson, Simon Mark Bickerstaff | 1999-01-12 |
| 5853440 | Shroud and cyclonic cleaning apparatus incorporating same | — | 1998-12-29 |
| 5846273 | Dust separation apparatus | — | 1998-12-08 |
| 5840103 | Vacuum cleaner and a filter assembly therefor | — | 1998-11-24 |
| 5755007 | Portable cleaning apparatus | — | 1998-05-26 |
| D382679 | Vacuum cleaner | — | 1997-08-19 |
| 5558697 | Dual cyclonic vacuum cleaner | Allan D. Millman, Tat-Chi A. Tsui | 1996-09-24 |
| D343707 | Vacuum cleaner | — | 1994-01-25 |
| 5160356 | Vacuum cleaning apparatus | — | 1992-11-03 |
| 5145499 | Disposable bin for cyclonic vacuum | — | 1992-09-08 |
| 5101532 | Powder dispensing and cleaning apparatus | Donald LaBute | 1992-04-07 |
| 5090976 | Dual cyclonic vacuum cleaner with disposable liner | — | 1992-02-25 |
| 5078761 | Shroud | — | 1992-01-07 |
| 5062870 | Shut-off device for cyclonic vacuum cleaner | — | 1991-11-05 |
| D305269 | Vacuum cleaner | — | 1989-12-26 |
| 4853008 | Combined disc and shroud for dual cyclonic cleaning apparatus | — | 1989-08-01 |
| 4853011 | Vacuum cleaning apparatus | — | 1989-08-01 |
| 4826515 | Vacuum cleaning apparatus | — | 1989-05-02 |
| 4643748 | Cleaning apparatus | — | 1987-02-17 |
| RE32257 | Vacuum cleaning appliances | — | 1986-10-07 |