Inventor
John A. Engelhardt
Inventor
Warsaw, IN, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis34%
A61FFilters implantable into blood vessels26%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges11%
Y10TTechnical subjects covered by former us classification8%
B23PMetal-working not otherwise provided for5%
B23DPlaning3%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding3%
F16DCouplings for transmitting rotation3%
LOC083%
PatentTitleYear
D0389964'Medical waste spill kit including a waste solidifier, a surface disinfectant and a scoop'19985,613,967'Apparatus for maintaining bone portions in a desired spatial relationship'19975,360,452'Enhanced fixation system for a prosthetic implant'19945,314,479'Modular prosthesis'19945,080,685'Modular hip prosthesis'19925,049,158'Acetabular cup assembly'19915,041,117'Elbow arthroplasty instrumentation and surgical procedure'19915,032,132'Glenoid component'19915,030,219'Glenoid component installation tools'19915,027,793'Surgical retractor'19915,009,665'Acetabular cup'19914,966,509'Power broach system'19904,959,064'Dynamic tension bone screw'19904,947,502'Method of making a dynamic tension bone screw'19904,936,844'Bone fixation system'19904,927,422'Elbow arthroplasty instrumentation and surgical procedure'19904,917,530'Structural joint'19904,805,607'Modular intramedullary nail system'19894,786,063'Bone vise'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1992Patents assigned to BOEHRINGER MANNHEIM CORP (15)· patent assignee history
1988–1994Based in Warsaw, IN, US· patent location history
1994Patents assigned to DEPUY INC (2)· patent assignee history
1997Patents assigned to ACROMED CORP (1)· patent assignee history
1997Based in Chagrin Falls, OH, US· patent location history
1998Patents assigned to VIATRO CORP (1)· patent assignee history
1998Based in Bainbridge, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOEHRINGER MANNHEIM CORP | 15 | 1988–1992 |
| DEPUY INC | 2 | 1994 |
| ACROMED CORP | 1 | 1997 |
| VIATRO CORP | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Warsaw, IN, US | 17 | 1988–1994 |
| Bainbridge, OH, US | 1 | 1998 |
| Chagrin Falls, OH, US | 1 | 1997 |