Inventor

Rudy A. Vandenbelt

Inventor
Ottawa, CA

Overview

58→
Patents
1995–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 58 as inventor

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

B03Cprimary
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids10%
LOC239%
Y02ATechnologies for adaptation to climate change9%
A47LDomestic washing or cleaning6%
A61MDevices for introducing media into, or onto, the body6%
LOC105%
C02FTreatment of water, waste water, sewage, or sludge4%
G10HElectrophonic musical instruments4%
H01TSpark gaps4%
A46BBrushes3%
PatentTitleYear
11,040,354Personal rechargeable portable ionic air purifier2021D0908199Air purifier2021D0906504Personal rechargeable portable ionic air purifier202010,449,326Audio tone programmed hygienic and therapeutic sleep and wake eye mask having remotely controlled sunrise and sunset multimodes201910,179,336Portable air cleaner with improved multi-stage electrostatic precipitator20199,737,895'Personal rechargeable portable ionic air purifier'20179,694,154'Sound machine with pseudo random white noise generator'20179,308,538'Portable air cleaner with improved multi-stage electrostatic precipitator'20168,852,073'Relaxation inducing sleep mask'20148,638,950'Digital sound relaxation and sleep-inducing system and method'20148,083,696'Light and massage multi-therapy hairbrush'20117,875,104'Electrostatic filter cartridge for a tower air cleaner'20117,749,155'Digital sound relaxation and sleep-inducing system and method'2010D0614276'Room air cleaner'2010D0612612'Facial care appliance'20107,627,917'Sound pillow'20097,621,984'Electrostatic filter cartridge for a tower air cleaner'20097,438,799'Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants'2008D0571445'Room air cleaner'20087,387,729'Filter cartridge for a standalone point of use water purification device'2008D0564649'Room air cleaner'2008D0548316'Filter drawer'20077,244,290'Electrostatic room air cleaner'20077,215,526'Ion generator with open emitter and safety feature'20077,024,723'Duster cleaning member for a vacuum cleaner'20066,953,523'Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants'2005D0481784'Personal airspace cleaner'20036,530,114'Dust wand cleaning appliance'20036,481,043'Rotary brush attachment tool for a hand-held vacuum cleaner'20026,434,785'Dual filter wet/dry hand-held vacuum cleaner'2002D0456960'Hand-held vacuum cleaner'20026,360,399'Hand-held vacuum cleaner with interchangeable control panel module'20026,300,871'Multi-station RF thermometer and alarm system'20016,283,930'Travel massage brush'2001D0436585'RF transmitter module'20016,046,674'Multi-station RF thermometer and alarm system'20005,969,974'Currency converter'1999D0414875'Portable body massager'1999D0411125'Digital sound relaxation system'1999D0408312'Portable digital sound relaxation system'1999D0406650'Massage brush'19995,867,580'Flexibility digital sound relaxation system'1999D0402212'RF thermometer receiver'1998D0402213'RF thermometer transmitter'1998D0399320'Digital sound relaxation system'1998D0396855'Digital sound relaxation system'1998D0393459'Collectable sound card having digitally prerecorded natural and/or other sounds stored therein'19985,704,902'Handholdable massager having combination massaging and dual function two speed actuator pad'19985,642,234'Illuminated magnifying lens assembly'1997D0378212'Audio system playing preselected sounds of nature'1997D0378067'Audible transmitter for locating missing objects'1997D0378135'Handholdable massaging device'1997D0369218'Heat pack'19965,463,539'Miniature pocket flashlight with lens module and outer flexible sheath'19955,457,613'Peripherally sealed card-like flashlight device'1995D0361386'Heat massager'19955,442,528'Lighting device with novel neck mechanism'1995D0358984'Lighted bookmark'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2021Patents assigned to HEADWATERS RES & DEVELOPMENT INC (15)· patent assignee history
1995–2021Based in Ottawa, CA· patent location history
1998–2000Patents assigned to HEADWATERS RESEARCH & DEV INC (4)· patent assignee history
2001–2005Patents assigned to HEADWATERS RES & DEV INC (7)· patent assignee history
2006–2019Patents assigned to HEADWATERS R & D INC (12)· patent assignee history
2007–2021Patents assigned to HEADWATERS INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEADWATERS RES & DEVELOPMENT INC151995–2021
HEADWATERS R & D INC122006–2019
HEADWATERS INC72007–2021
HEADWATERS RES & DEV INC72001–2005
HEADWATERS RESEARCH & DEV INC41998–2000
Locations
LocationPatentsSpan
Ottawa, CA581995–2021