Low profile filter for vacuum cleaners
US-9775478-B2 · Oct 3, 2017 · US
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Schultz Douglas patents
Schultz Douglas holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Feb 11, 2016 |
| Latest publication | Oct 3, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Transportation vacuum assembly
US-9751504-B2 · Sep 5, 2017 · US
Transportation vacuum assembly
US-2016068141-A1 · Mar 10, 2016 · US
Low profile filter for vacuum cleaners
US-2016037988-A1 · Feb 11, 2016 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Low profile filter for vacuum cleaners
US-9775478-B2 · Oct 3, 2017 · US
Transportation vacuum assembly
US-9751504-B2 · Sep 5, 2017 · US
Transportation vacuum assembly
US-2016068141-A1 · Mar 10, 2016 · US
Low profile filter for vacuum cleaners
US-2016037988-A1 · Feb 11, 2016 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| B60S1/64 | 2 |
| A47L9/12 | 2 |
| A47L5/365 | 2 |
| A47L7/0076 | 1 |
| A47L9/1409 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Human Necessities | 3 |
| Operations & Transport | 2 |