Inventor
Ekkehard Kohler
Inventor
Wetter, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder27%
C22CAlloys27%
F01LCyclically operating valves for machines or engines20%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines13%
B23KSoldering or unsoldering7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
PatentTitleYear
10,208,636Highly thermally conductive valve seat ring20199,988,951Double/triple-layer valve guide20189,702,277'Highly thermally conductive valve seat ring'20176,039,785'Material for the powder-metallurgical production of shaped parts, in particular valve seat rings or valve guides with high resistance to wear'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to BLEISTAHL PROD GMBH & CO KG (1)· patent assignee history
2000Patents assigned to SCM METAL PRODUCTS INC (1)· patent assignee history
2000–2019Based in Wetter, DE· patent location history
2017Patents assigned to BLEISTAHL-PRODUKTIONS GMBH & CO KG (1)· patent assignee history
2018–2019Patents assigned to BLEISTAHL PRODUKTIONS GMBH & CO KG (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLEISTAHL PRODUKTIONS GMBH & CO KG | 2 | 2018–2019 |
| BLEISTAHL PROD GMBH & CO KG | 1 | 2000 |
| BLEISTAHL-PRODUKTIONS GMBH & CO KG | 1 | 2017 |
| SCM METAL PRODUCTS INC | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wetter, DE | 4 | 2000–2019 |