Inventor
Walter Fritz
Inventor
Immenstaad, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds16%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties16%
Y10TTechnical subjects covered by former us classification16%
F16DCouplings for transmitting rotation11%
B23PMetal-working not otherwise provided for5%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials5%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors5%
F01MLubricating of machines or engines in general5%
F16HGearing5%
PatentTitleYear
6,773,233'Fitting of blades in hydrodynamic machines'20046,314,989'Device for draining of oil in a component of a vehicle'20016,036,408'Extraction apparatus for bulk material containers'20005,004,086'Clutch assembly for a motor vehicle'19914,282,198'Process for the production of high quality carbon black'19814,225,416'Process for the production of high quality carbon black forming material'19804,184,903'Method of fabricating a photovoltaic module of a substantially transparent construction'19804,154,808'Process for the production of high qualtiy carbon black'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1981Patents assigned to DEGUSSA (3)· patent assignee history
1979–1981Based in Stein, DE· patent location history
1980Patents assigned to NASA (1)· patent assignee history
1980Based in Neunkirchen-Seelscheid, DE· patent location history
1991–2004Patents assigned to ZAHNRADFABRIK FRIEDRICHSHAFEN (3)· patent assignee history
1991Based in Friedrichshafen, DE· patent location history
2000Patents assigned to WILHELM KLAUS (1)· patent assignee history
2000Based in Bergkirchen, DE· patent location history
2001–2004Based in Immenstaad, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 3 | 1979–1981 |
| ZAHNRADFABRIK FRIEDRICHSHAFEN | 3 | 1991–2004 |
| NASA | 1 | 1980 |
| WILHELM KLAUS | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Immenstaad, DE | 2 | 2001–2004 |
| Stein, DE | 2 | 1979–1981 |
| Bergkirchen, DE | 1 | 2000 |
| Friedrichshafen, DE | 1 | 1991 |
| Neunkirchen-Seelscheid, DE | 1 | 1980 |