Inventor
Paul D. Hoffmann
Inventor
Kirkwood, MO, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B05DProcesses for applying fluent materials to surfaces, in general10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for5%
A61KPreparations for medical, dental or toiletry purposes5%
A61QSpecific use of cosmetics or similar toiletry preparations5%
C08LCompositions of macromolecular compounds5%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
PatentTitleYear
11,053,351Dimer fatty acid-containing reaction product and coating composition comprising the reaction product202111,046,866Method for producing a coating system with an aqueous basecoat20215,502,943'Display frame'19964,512,937'Grid and fill slats for cooling towers'19854,454,079'Circular cooling tower with improved fill supporting structure and process of forming'19844,383,833'Natural edible dye preparation from bean husks giving red shades'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to DRAGOCO GERBERDING CO GMBH (1)· patent assignee history
1983Based in Holzminden, DE· patent location history
1984Patents assigned to LILIE HOFFMANN COOLING TOWERS (1)· patent assignee history
1984Based in Des Peres, MO, US· patent location history
1985Patents assigned to LILIE HOFFMAN COOLING TOWERS I (1)· patent assignee history
1985–1996Based in Kirkwood, MO, US· patent location history
1996Patents assigned to OPTIMA GRAPHICS (1)· patent assignee history
2021Patents assigned to BASF COATINGS GMBH (2)· patent assignee history
2021Based in Senden, DE· patent location history
2021Based in Muenster, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF COATINGS GMBH | 2 | 2021 |
| DRAGOCO GERBERDING CO GMBH | 1 | 1983 |
| LILIE HOFFMAN COOLING TOWERS I | 1 | 1985 |
| LILIE HOFFMANN COOLING TOWERS | 1 | 1984 |
| OPTIMA GRAPHICS | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kirkwood, MO, US | 2 | 1985–1996 |
| Senden, DE | 1 | 2021 |
| Muenster, DE | 1 | 2021 |
| Des Peres, MO, US | 1 | 1984 |
| Holzminden, DE | 1 | 1983 |