Inventor
Bruce Crenshaw
Inventor
Frankfort, IN, US
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation49%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof18%
B29DProducing particular articles from plastics or from substances in a plastic state10%
F02CGas-turbine plants10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
LOC233%
PatentTitleYear
11,020,699Air filter arrangement; assembly; and, methods202110,864,475Air filter arrangement; assembly; and, methods2020RE048050Z-filter media pack arrangement; and, methods202010,556,201Air filter arrangement; assembly; and, methods202010,421,034Air filter arrangement; assembly; and, methods201910,315,144Air filter arrangement; assembly; and, methods201910,065,145Air filter arrangement; assembly; and, methods2018RE046700'Z-filter media pack arrangement; and, methods'20189,795,911'Air filter arrangement; assembly; and, methods'20179,527,023'Air filter arrangement; assembly; and, methods'20169,180,399'Air filter arrangement'20159,114,346'Z-filter media pack arrangement; and, methods'20158,906,128'Air filter arrangement; assembly; and, methods'20148,709,119'Air filter cartridge and air cleaner assembly'20148,636,820'Air filter arrangement'20148,518,141'Z-filter media pack arrangement; and, methods'20138,496,723'Air filter arrangement'20138,292,983'Air filter cartridge and air cleaner assembly'20128,277,532'Air filter arrangement; assembly; and methods'20128,241,383'Z-filter media pack arrangement; and, methods'20127,967,886'Z-filter media pack arrangement; and, methods'20117,455,707'Reverse flow air filter arrangement and method'20086,521,009'Reverse flow air filter arrangement and method'20036,413,289'Reverse flow air filter arrangement'20026,322,602'Reverse flow air filter arrangement'20016,258,145'Reverse flow air filter arrangement'20016,099,606'Air filtration arrangements having spacer constructions'2000D0425977'Inside surface of a filter element having insert construction'2000D0422071'Inside surface of a filter element having spacer construction'20006,004,366'Reverse flow air filter arrangement and method'19995,938,804'Reverse flow air filter arrangement and method'19995,897,676'Reverse flow air filter arrangement and method'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2021Patents assigned to DONALDSON CO INC (32)· patent assignee history
1999–2020Based in Indianapolis, IN, US· patent location history
2000–2021Based in Frankfort, IN, US· patent location history
2012–2014Patents assigned to KLADNITSKY VLADIMIR (7)· patent assignee history
2012–2014Patents assigned to WEGNER DARREL (5)· patent assignee history
2012–2013Patents assigned to BISHOP WAYNE R W (4)· patent assignee history
2012–2013Patents assigned to CRENSHAW BRUCE R (4)· patent assignee history
2020Based in Frankfurt, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DONALDSON CO INC | 32 | 1999–2021 |
| KLADNITSKY VLADIMIR | 7 | 2012–2014 |
| WEGNER DARREL | 5 | 2012–2014 |
| BISHOP WAYNE R W | 4 | 2012–2013 |
| CRENSHAW BRUCE Rself | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfort, IN, US | 21 | 2000–2021 |
| Indianapolis, IN, US | 10 | 1999–2020 |
| Frankfurt, IN, US | 1 | 2020 |