Inventor
Eric James Johannsen
Inventor
Washington, IL, US
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles58%
C21DModifying the physical structure of ferrous metals5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
E02FDredging4%
F16JPistons4%
G07CTime or attendance registers4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
Y10TTechnical subjects covered by former us classification4%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels2%
B23KSoldering or unsoldering2%
PatentTitleYear
10,882,574Method of track link manufacture202110,676,143Keyhole master track link202010,589,808Splined idler for scallop resistance202010,493,574Torque monitoring device201910,407,115Master track link having gapped teeth201910,322,758Track link with angled seal counterbore201910,322,760Undercarriage clamping master track link201910,227,099Splined idler for scallop resistance201910,053,168Track pin with improved hardness profile and method of producing the same201810,046,817Scallop resistant idler heat treatment201810,046,816Cartridge assembly with a flexible thrust ring assembly for a track chain20189,796,436'Undercarriage track link assembly having offset link gaps'20179,745,005'Roller assembly for a track-type machine'20179,701,351'Roller collar guard plate'20179,656,707'High speed metal face seal'20179,592,866'Track assembly having a wear monitoring system'20179,550,536'Idler group and method of assembly'20179,457,852'Twin bushing track chain cartridge'20169,371,630'Determination of undercarriage idler and roller wear based on final drive speed'20169,346,501'Elliptical bore pin retention system'20169,333,999'Seal packing guard for rotating components'20169,296,437'Roller collar configured to reduce seal packing'20169,216,783'Cap and pin retention system'20159,126,645'Track chain cartridge having thrust bearings'20158,985,590'Seal assembly for track pin joint assembly of undercarriage'20158,833,871'Sweeping track shoe for undercarriage system in a track-type machine'20148,721,213'Seal assembly for track pin joint assembly'20148,678,696'Seal assembly for track pin joint assembly'20148,613,486'Bushing for a track-type undercarriage'20138,360,535'Sound reducing segmented idler for track-type vehicles'20138,336,970'Link and link assembly for track-type machine'20127,959,239'Track assembly having wear inhibiting contact members'20117,877,977'Master link for a track chain'20117,347,513'Cartridge assembly for a track chain of a track type machine and machine using same'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2021Patents assigned to CATERPILLAR INC (33)· patent assignee history
2008Based in East Peoria, IL, US· patent location history
2011–2020Based in Washington, IL, US· patent location history
2012–2015Patents assigned to JOHANNSEN ERIC JAMES (2)· patent assignee history
2013–2014Patents assigned to JOHANNSEN ERIC J (5)· patent assignee history
2014–2015Patents assigned to DIEKEVERS MARK (3)· patent assignee history
2014–2015Patents assigned to LIANG GUANGHUI (3)· patent assignee history
2018–2021Based in Metamora, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 33 | 2008–2021 |
| JOHANNSEN ERIC Jself | 5 | 2013–2014 |
| DIEKEVERS MARK | 3 | 2014–2015 |
| LIANG GUANGHUI | 3 | 2014–2015 |
| JOHANNSEN ERIC JAMESself | 2 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Washington, Illinois, US | 29 | 2011–2020 |
| Metamora, Illinois, US | 4 | 2018–2021 |
| East Peoria, Illinois, US | 1 | 2008 |