Inventor
David J. Krueger
Inventor
Austin, TX, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches31%
A61FFilters implantable into blood vessels29%
A61BDiagnosis20%
H05KPrinted circuits6%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
F02CGas-turbine plants3%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants3%
F16HGearing3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
9,989,122Planetary gear device and jet engine with a planetary gear device20189,526,628'Spinal fusion device'20168,974,534'Spinal fusion device'20158,545,567'Spinal fusion device'20138,308,804'Spinal fusion device'20128,221,503'Spinal implant'20128,025,684'Instruments and methods for inserting a spinal implant'20117,938,857'Spinal implant'20117,909,877'Spinal disc implant with complimentary members between vertebral engaging plates'20116,680,001'Protective composition for pressure washer and applicator'20046,577,222'Fuse having improved fuse housing'20036,524,312'Instrument and method for implanting an interbody fusion device'20036,043,966'Printed circuit board assembly having an integrated fusible link'20006,002,322'Chip protector surface-mounted fuse device'19995,923,239'Printed circuit board assembly having an integrated fusible link'19995,849,015'Orthopaedic stem inserter with quick release lever and ratchet'19985,830,216'Apparatus and method for knee implantation'19985,484,446'Alignment guide for use in orthopaedic surgery'19965,111,177'Overload condition indicating fuse'19924,973,932'Electrical fuse with coated time delay element'19904,636,765'Fuse with corrugated filament'19874,603,315'Electrical fuse with pyrotechnic blowout indicator'19864,593,262'Time delay indicator fuse'19864,562,420'Time delay fuse'19854,533,895'Time delay fuse'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2003Patents assigned to LITTELFUSE INC (10)· patent assignee history
1985–1999Based in Arlington Heights, IL, US· patent location history
1998Patents assigned to BRISTOL MYERS SQUIBB CO (2)· patent assignee history
1998–2016Based in Austin, TX, US· patent location history
1999–2000Based in Arlington Hts., IL, US· patent location history
2003–2012Based in Cedar Park, TX, US· patent location history
2011–2012Patents assigned to ZIMMER SPINE INC (4)· patent assignee history
2012–2016Patents assigned to KRUEGER DAVID (4)· patent assignee history
2012Patents assigned to GARCIA JAVIER (1)· patent assignee history
2018Based in Potsdam, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LITTELFUSE INC | 10 | 1985–2003 |
| KRUEGER DAVIDself | 4 | 2012–2016 |
| ZIMMER SPINE INC | 4 | 2011–2012 |
| BRISTOL MYERS SQUIBB CO | 2 | 1998 |
| GARCIA JAVIER | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Austin, Texas, US | 8 | 1998–2016 |
| Arlington Heights, Illinois, US | 8 | 1985–1999 |
| Cedar Park, Texas, US | 3 | 2003–2012 |
| Arlington Hts., Illinois, US | 2 | 1999–2000 |
| Potsdam, DE | 1 | 2018 |