The report contains ten-year analysis with the following sections
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donaldson company | 204 |
caterpillar | 12 |
advanced filtration systems | 5 |
donaldson company | 221 |
caterpillar | 3 |
advanced filtration systems | 3 |
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 |