Inventor
Karl-Heinrich Seifert
Inventor
Hamburg, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics33%
A61KPreparations for medical, dental or toiletry purposes17%
A01NPreservation of bodies of humans or animals or plants or parts thereof8%
B29BPreparation or pretreatment of the material to be shaped8%
B29DProducing particular articles from plastics or from substances in a plastic state8%
C07KPeptides8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
PatentTitleYear
10,912,830Methods and reagents for diagnosing Sjogren's Syndrome202110,905,118Triscationic amphiphile compounds, compositions, and methods for making same20214,076,071'Method for heating plastics materials'19784,035,463'Method of making hollow articles, especially bottles, of thermoplastics'19774,035,455'Method for blow molding a hollow plastic article having a concave base'19773,969,060'Apparatus for deforming a tubular slug of thermoplastic material'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to HEIDENREICH & HARBECK GMBH (3)· patent assignee history
1976–1978Based in Hamburg, DE· patent location history
1977Patents assigned to HEINDENREICH & HARBECK (1)· patent assignee history
2021Patents assigned to JAMES MADISON INNOVATIONS INC (2)· patent assignee history
2021Patents assigned to JAMES MADISON UNIV (1)· patent assignee history
2021Based in Harrisonburg, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEIDENREICH & HARBECK GMBH | 3 | 1976–1978 |
| JAMES MADISON INNOVATIONS INC | 2 | 2021 |
| HEINDENREICH & HARBECK | 1 | 1977 |
| JAMES MADISON UNIV | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamburg, DE | 4 | 1976–1978 |
| Harrisonburg, Virginia, US | 2 | 2021 |