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Inventor

Leen Hellenberg

Inventor
Warmond, NL

Overview

9→
Patents
1990–2010
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Fprimary
B01FMixing, e.g. dissolving, emulsifying or dispersing50%
A45DHairdressing or shaving equipment25%
B44DPainting or artistic drawing, not otherwise provided for6%
B67DDispensing, delivering or transferring liquids, not otherwise provided for6%
LOC076%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
7,654,416'Fluid and hair-dye dispensers'20107,597,217'Two disc valve pump assembly for a fluid dispenser'20097,185,789'Hair dye dispenser'20077,121,430'Fluid and hair-dye dispensers'2006D0500625'Dispenser apparatus'20055,268,620'Mixing apparatus'19935,119,973'Automated dispensing apparatus'19925,078,302'Paint dispensing apparatus'19924,967,938'Paint dispensing apparatus'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to FLUID MANAGEMENT LP (4)· patent assignee history
1990–1992Based in Holland, NL· patent location history
1992–1993Based in Katwijk, NL· patent location history
2005–2009Patents assigned to LENTEQ LP (3)· patent assignee history
2005–2010Based in Warmond, NL· patent location history
2006Patents assigned to LENTEP LP (1)· patent assignee history
2010Patents assigned to STIBBE MAN BV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FLUID MANAGEMENT LP41990–1993
LENTEQ LP32005–2009
LENTEP LP12006
STIBBE MAN BV12010
Locations
LocationPatentsSpan
Warmond, NL52005–2010
Katwijk, NL21992–1993
Holland, NL21990–1992