Inventor
DIRKSING ROBERT S
US44 patents
Patents
44 patentsUS5215221AJun 1, 1993
Disposable unit dose dispenser for powdered medicants
PROCTER & GAMBLE212 citations99
US6516245B1Feb 4, 2003
Method for providing personalized cosmetics
PROCTER & GAMBLE130 citations98
US6045811AApr 4, 2000
Delivery system for an oral care substance using a permanently deformable strip of material
PROCTER & GAMBLE279 citations98
US5989569ANov 23, 1999
Delivery system for a tooth whitener using a permanently deformable strip of material
PROCTER & GAMBLE282 citations98
US5863497AJan 26, 1999
Electrostatic hand sanitizer
PROCTER & GAMBLE93 citations98
US5894017AApr 13, 1999
Delivery system for an oral care substance using a strip of material having low flexural stiffness
PROCTER & GAMBLE302 citations97
US5879691AMar 9, 1999
Delivery system for a tooth whitener using a strip of material having low flexural stiffness
PROCTER & GAMBLE345 citations97
US6856861B2Feb 15, 2005
Apparatus for providing personalized cosmetics
PROCTER & GAMBLE66 citations96
US5676643AOct 14, 1997
Dispenser for friably releasing dry particulate medicaments
PROCTER & GAMBLE102 citations96
US5355544AOct 18, 1994
Force-indicating toothbrush using magnetic latching
PROCTER & GAMBLE103 citations96
US5230433AJul 27, 1993
Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
PROCTER & GAMBLE67 citations96
US5165761ANov 24, 1992
Method of making improved toothbrush having multi-level tufts with substantially uniformly rounded bristle ends in each tuft
PROCTER & GAMBLE66 citations96
US5146645ASep 15, 1992
Toothbrush employing resiliently buckling arch to indicate excessive brushing pressure
PROCTER & GAMBLE103 citations96
US4678103AJul 7, 1987
Plural-chambered dispensing device exhibiting constant proportional co-dispensing and method for making same
PROCTER & GAMBLE56 citations96
US4436269AMar 13, 1984
Dispenser suspension means employing planar spring-loaded detent
PROCTER & GAMBLE70 citations96
US4120420AOct 17, 1978
Lined parallelepipedal package for dispensing flowable materials
PROCTER & GAMBLE53 citations96
US5349972ASep 27, 1994
Dual wiper mascara package having residual chamber with bypass channel
PROCTER & GAMBLE73 citations95
US5316054AMay 31, 1994
Self-contained package for housing, dispensing and diluting concentrated liquid
PROCTER & GAMBLE57 citations95
US4873100AOct 10, 1989
Bistable expandable bottle
PROCTER & GAMBLE104 citations95
US4664651AMay 12, 1987
Subatmospheric method and apparatus for expanding blood vessels to facilitate puncture with a cannula
PROCTER & GAMBLE90 citations95
US5851079ADec 22, 1998
Simplified undirectional twist-up dispensing device with incremental dosing
PROCTER & GAMBLE350 citations94
US5568820AOct 29, 1996
Compact case having a 360 degrees rotatable cover
PROCTER & GAMBLE35 citations93
US5370284ADec 6, 1994
Toggle closure for a resiliently deformable container
PROCTER & GAMBLE47 citations93
US5224763AJul 6, 1993
Method of fastening bristle tufts to bristle carrier
PROCTER & GAMBLE57 citations93
US5209376AMay 11, 1993
Co-dispensing pump for fluent materials
PROCTER & GAMBLE41 citations93
US5147072ASep 15, 1992
Toggle closure which permits uninterrupted glug-free pouring from a resiliently deformable container
PROCTER & GAMBLE30 citations93
US5105499AApr 21, 1992
Toothbrush having handle joined to brush head by non-pinching flexible twin beam structure
PROCTER & GAMBLE40 citations93
US5006004AApr 9, 1991
Topical applicator for liquid
PROCTER & GAMBLE128 citations93
US4966780AOct 30, 1990
Packaging of fresh roasted coffee exhibiting improved aroma retention
PROCTER & GAMBLE106 citations93
US4247070AJan 27, 1981
Tilt compensating hanger for toilet tank dispensing apparatus
PROCTER & GAMBLE41 citations93
US4208747AJun 24, 1980
Passive dosing dispenser employing trapped air bubble to provide air-lock
PROCTER & GAMBLE39 citations93
US4892247AJan 9, 1990
Paperboard carton with latching plastic lid
PROCTER & GAMBLE30 citations92
US5383564AJan 24, 1995
Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
PROCTER & GAMBLE25 citations89
US4114195ASep 12, 1978
Fluid injector
PROCTER & GAMBLE35 citations87
US5881720AMar 16, 1999
Method of delivering halotherapy
PROCTER & GAMBLE24 citations86
US5564580AOct 15, 1996
Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
PROCTER & GAMBLE15 citations82
US5562218AOct 8, 1996
Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
PROCTER & GAMBLE13 citations82
US4171546AOct 23, 1979
Passive dosing dispenser
PROCTER & GAMBLE28 citations82
US5102017AApr 7, 1992
Mechanical actuator for dispensing tap
PROCTER & GAMBLE16 citations74
US4730381AMar 15, 1988
Method of making plural-chambered dispensing device exhibiting constant proportional co-dispensing
PROCTER & GAMBLE10 citations74
US4729880AMar 8, 1988
Article for maintaining more even concentrations of bleach in a passive dosing dispenser
PROCTER & GAMBLE12 citations69
US4939795AJul 10, 1990
Method of isolating a product in a passive dosing dispenser by trapping internally-generated gas bubble
PROCTER & GAMBLE2 citations62
US4937893AJul 3, 1990
Passive-dosing dispenser employing captive internally-generated gas bubble to provide product isolation
PROCTER & GAMBLE3 citations62
US4462121AJul 31, 1984
Passageway resistant to capillary transport
PROCTER & GAMBLE3 citations54