Headwaters Research & Development, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 2152
 
  
 
0402 TOILET BRUSHES, CLOTHES BRUSHES AND SHOE BRUSHES220
 
  
 
2304 VENTILATION AND AIR-CONDITIONING EQUIPMENT232
 
  
 
A47G HOUSEHOLD OR TABLE EQUIPMENT 126
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
A61H PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY 135
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
  
 
H03G CONTROL OF AMPLIFICATION 151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8852073 Relaxation inducing sleep maskJan 17, 12Oct 07, 14[A61M]
8638950 Digital sound relaxation and sleep-inducing system and methodMar 14, 10Jan 28, 14[H03G]
8083696 Light and massage multi-therapy hairbrushMar 14, 08Dec 27, 11[A61H]
D638221 Light and massage multi-therapy hairbrushMar 14, 08May 24, 11[0402]
7875104 Electrostatic filter cartridge for a tower air cleanerOct 14, 09Jan 25, 11[B03C]
7749155 Digital sound relaxation and sleep-inducing system and methodSep 23, 98Jul 06, 10[A61F, A61B, G06F, A61M]
D612612 Facial care applianceMar 02, 09Mar 30, 10[0402]
7627917 Sound pillowOct 04, 07Dec 08, 09[A47G]
D571445 Room air cleanerOct 11, 06Jun 17, 08[2304]
D564649 Room air cleanerOct 11, 06Mar 18, 08[2304]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0107,401 Digital Sound Relaxation and Sleep-Inducing System and MethodAbandonedDec 19, 13Apr 17, 14[A61M]
2010/0222,719 Deep Acting Topically Working Facial Care ApplianceAbandonedMar 02, 09Sep 02, 10[A61H]
7595030 Air-circulating, ionizing, air cleanerExpiredJan 12, 05Sep 29, 09[B01J]
7438799 Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutantsExpiredOct 07, 05Oct 21, 08[C02F]
7387729 Filter cartridge for a standalone point of use water purification deviceExpiredFeb 25, 06Jun 17, 08[B01D]
7024723 Duster cleaning member for a vacuum cleanerExpiredSep 13, 02Apr 11, 06[A47L]
6953523 Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutantsExpiredDec 03, 03Oct 11, 05[C02F]
6937148 Multi-station RF thermometer and alarm systemExpiredApr 06, 01Aug 30, 05[G08B]
6530114 Dust wand cleaning applianceExpiredJun 15, 01Mar 11, 03[A47L]
6481043 Rotary brush attachment tool for a hand-held vacuum cleanerExpiredJun 11, 01Nov 19, 02[A47L]
6434785 Dual filter wet/dry hand-held vacuum cleanerExpiredApr 19, 00Aug 20, 02[A47L]
6283930 Travel massage brushExpiredOct 06, 97Sep 04, 01[A61H]
6246322 Impulse characteristic responsive missing object locator operable in noisy environmentsExpiredAug 31, 99Jun 12, 01[G08B, G10K]
6234986 Hand-held wet/dry sculpted massager that floatsExpiredOct 23, 98May 22, 01[A61H]
6046674 Multi-station RF thermometer and alarm systemExpiredNov 12, 97Apr 04, 00[G08B]
5969974 Currency converterExpiredNov 05, 97Oct 19, 99[G06K]
5867580 Flexibility digital sound relaxation systemExpiredAug 30, 96Feb 02, 99[H03G]
5704902 Handholdable massager having combination massaging and dual function two speed actuator padExpiredSep 19, 95Jan 06, 98[A61H]
D369218 Heat packExpiredOct 04, 94Apr 23, 96[]
D361386 Heat massagerExpiredOct 04, 94Aug 15, 95[]

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