How many patents does
Donaldson Company have?
patents
2,747
families
346
granted
877
applications
1,870
US
974
EP
449
CN
330
WO
273
JP
163
KR
48
RoW
510
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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patent families
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the following tables are just extracts from the report
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Donaldson Company
Top ten assignees appearing on patents
2009
| donaldson company | 204 |
| caterpillar | 12 |
| advanced filtration systems | 5 |
2018
| donaldson company | 221 |
| caterpillar | 3 |
| advanced filtration systems | 3 |
Donaldson Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| air cleaner arrangements with internal and external support for cartridge; components; a… 🛈 | 90 | 2007 |
| polymer, polymer microfiber, polymer nanofiber and applications including filter structu… 🛈 | 53 | 2000 |
| filter medium and structure | 50 | 2004 |
| filter assemblies; components and features thereof: and, methods of use and assembly | 37 | 2011 |
| filter web comprising fine fiber and reactive, adsorptive or absorptive particulate | 36 | 2006 |
| spin-on filter with external threads and methods | 32 | 2008 |
| filter cartridge with seal member and methods | 32 | 2009 |
| fluid filter system | 30 | 2007 |
| fine fibers made from polymer crosslinked with resinous aldehyde composition | 30 | 2011 |
| filter elements; air cleaner; assembly; and, methods | 29 | 2002 |