WATKINS MANUFACTURING CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
2302 SANITARY APPLIANCES448
 
 
 
2404 MATERIALS FOR DRESSING WOUNDS, NURSING AND MEDICAL CARE1810
 
 
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 1713
 
 
 
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 1422
 
 
 
A47K SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR 1116
 
 
 
2402 MEDICAL INSTRUMENTS, INSTRUMENTS AND TOOLS FOR LABORATORY USE934
 
 
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 550
 
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 5106
 
 
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 423
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 4155

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0216,697 Swimming System Current GeneratorJan 29, 16Aug 03, 17[F04F, A63B, F04D, E04H]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D810953 Spa shellDec 09, 16Feb 20, 18[2302]
D810954 Spa shellDec 09, 16Feb 20, 18[2302]
9855479 Swimming system current generatorJan 29, 16Jan 02, 18[F04F, A63B, F04D, E04H]
9782044 Portable spa constructionSep 13, 16Oct 10, 17[A47K, A61H]
D799053 Spa shellDec 09, 16Oct 03, 17[2302]
9750376 Portable spa constructionSep 13, 16Sep 05, 17[A47K, A61H]
9743808 Portable spa constructionSep 13, 16Aug 29, 17[A47K, A61H]
D791959 Spa shellJun 06, 16Jul 11, 17[2302]
D790719 Spa shellMay 26, 16Jun 27, 17[2302]
D790720 Spa shellMay 26, 16Jun 27, 17[2302]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0192,523 Chlorine Detection and pH Sensing Methods and ApparatusAbandonedFeb 10, 15Jul 09, 15[G01N, C25B]
2015/0068,914 Chlorine Detection and pH Sensing Methods and ApparatusAbandonedSep 06, 13Mar 12, 15[G01N, C25B]
2014/0231,248 Drop-In Chlorinator For Portable SpasAbandonedApr 25, 14Aug 21, 14[C02F, E04H]
8431021 Exchangeable media filterExpiredNov 17, 10Apr 30, 13[C02F, B01D]
8366922 Exchangeable media filterExpiredApr 19, 10Feb 05, 13[B01D]
8212222 Spa chlorine measurement via temperature shift UV spectrometryExpiredFeb 18, 09Jul 03, 12[G01N]
2011/0271,436 Exercise and swim spaAbandonedSep 21, 10Nov 10, 11[E04H]
2011/0253,639 Spa Water Sanitizing Method and ApparatusAbandonedNov 18, 10Oct 20, 11[C02F]
2010/0101,010 CHLORINATOR FOR PORTABLE SPASAbandonedOct 24, 08Apr 29, 10[E04H]
7671994 Method for measuring chemical levels using pH shiftExpiredMay 14, 07Mar 02, 10[G01N]
7639361 Apparatus for measuring chemical levels using pH shiftExpiredMay 14, 07Dec 29, 09[G01N]
2009/0260,147 DECORATIVE SPA SURROUNDAbandonedApr 22, 08Oct 22, 09[E04H]
2009/0260,150 Apparatus Facilitating Application of Customized Portable Spa Surrounds by End UsersAbandonedAug 04, 08Oct 22, 09[A47K]
2009/0089,925 SPA SHELL PILLOWAbandonedOct 04, 07Apr 09, 09[A47K]
7490370 Video entertainment system for spaExpiredJan 20, 06Feb 17, 09[A47K]
7489787 Spa audio systemExpiredFeb 11, 03Feb 10, 09[H04R]
7293300 Trickle waterfall for spaExpiredApr 21, 04Nov 13, 07[E04H]
2007/0172,092 Digital information improvements for spasAbandonedJan 09, 06Jul 26, 07[H04R]
7194774 Filter cover waterfall with lighting for a portable spaExpiredJun 02, 04Mar 27, 07[A47K]
2006/0124,535 Water filtration system for high flow rate water tub circulation systemAbandonedDec 10, 04Jun 15, 06[B01D]

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