Redundant network system
US-11329772-B2 · May 10, 2022 · US
Hall David R patents
Hall David R holds 661 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 661 |
| Recent patents | 0 |
| First publication | Jan 15, 2015 |
| Latest publication | May 10, 2022 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
In-toilet urinalysis system with capillary dispenser
US-11224370-B2 · Jan 18, 2022 · US
Method of using an electronic chemically sensitive resistor array for the differentiation of synthetic and authentic urine specimens
US-11187695-B2 · Nov 30, 2021 · US
Hydronic panel heating or cooling system
US-11131464-B2 · Sep 28, 2021 · US
Capillary Slit Urine Sampling System
US-2021219962-A9 · Jul 22, 2021 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Redundant network system
US-11329772-B2 · May 10, 2022 · US
In-toilet urinalysis system with capillary dispenser
US-11224370-B2 · Jan 18, 2022 · US
Method of using an electronic chemically sensitive resistor array for the differentiation of synthetic and authentic urine specimens
US-11187695-B2 · Nov 30, 2021 · US
Hydronic panel heating or cooling system
US-11131464-B2 · Sep 28, 2021 · US
Capillary Slit Urine Sampling System
US-2021219962-A9 · Jul 22, 2021 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G08C17/02 | 63 |
| E06B9/322 | 54 |
| E06B9/32 | 46 |
| E06B2009/3222 | 45 |
| A61B10/007 | 45 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 258 |
| Fixed Constructions | 242 |
| Electricity | 225 |
| Operations & Transport | 204 |
| Human Necessities | 149 |
| Mechanical Engineering | 137 |
| Cross-Sectional Technologies | 126 |
| Chemistry & Metallurgy | 10 |
| Textiles & Paper | 5 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Hall David R have in patentsdb?
- Hall David R is linked to 661 publications as assignee in our database.
- What technology areas does Hall David R patent most?
- Top mapped technology areas by patent count: Physics (258); Fixed Constructions (242); Electricity (225).
- Is Hall David R's patent activity growing?
- In our data, assignee counts were 18 in 2021 and 2 in 2022 (lower year over year).
- What are recent patents assigned to Hall David R?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.