Inventor
DENKEWICZ JR RAYMOND P
US33 patents
⚠️ This page may combine multiple inventors who share the name “DENKEWICZ JR RAYMOND P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FOUNTAINHEAD TECHNOLOGIES INC
8 patentsUS5858246AJan 12, 1999
Method of water purification with oxides of chlorine
FOUNTAINHEAD TECHNOLOGIES INC104 citations96
US5772896AJun 30, 1998
Self-regulating water purification composition
FOUNTAINHEAD TECHNOLOGIES INC81 citations95
US5810999ASep 22, 1998
Water strainer/purifier and method of using same
FOUNTAINHEAD TECHNOLOGIES INC64 citations94
US6019893AFeb 1, 2000
Water purifier for a spa
FOUNTAINHEAD TECHNOLOGIES INC31 citations92
US5935609AAug 10, 1999
Self-regulating water purification composition
FOUNTAINHEAD TECHNOLOGIES INC35 citations92
US5779913AJul 14, 1998
Water purifier for a spa
FOUNTAINHEAD TECHNOLOGIES INC35 citations92
US5855777AJan 5, 1999
Multi-chamber water purification device and method of using the same
FOUNTAINHEAD TECHNOLOGIES INC48 citations90
US5766456AJun 16, 1998
Water purifer for a pool
FOUNTAINHEAD TECHNOLOGIES INC6 citations61
ZODIAC POOL CARE INC
7 patentsUS6254894B1Jul 3, 2001
Silver self-regulating water purification compositions and methods
ZODIAC POOL CARE INC94 citations96
US6093422AJul 25, 2000
Biocidal compositions for treating water
ZODIAC POOL CARE INC70 citations94
US6680026B1Jan 20, 2004
Fluid flow diverters and diversion methods and water purification equipment including such diverters
ZODIAC POOL CARE INC24 citations92
US6312604B1Nov 6, 2001
Lanthanide halide water treatment compositions and methods
ZODIAC POOL CARE INC61 citations92
US6200487B1Mar 13, 2001
In-line, in-pool water purification system
ZODIAC POOL CARE INC50 citations92
US6165358ADec 26, 2000
Water purifier for a spa
ZODIAC POOL CARE INC23 citations92
US6217780B1Apr 17, 2001
Biocidal compositions for treating water
ZODIAC POOL CARE INC41 citations90
FOUNTAINHEAD TECH INC
7 patentsUSD412963SAug 17, 1999
Water purifier
FOUNTAINHEAD TECH INC18 citations92
USD406314SMar 2, 1999
Water purifier
FOUNTAINHEAD TECH INC20 citations92
USD405868SFeb 16, 1999
Water purifier
FOUNTAINHEAD TECH INC18 citations92
USD405867SFeb 16, 1999
Water purifier
FOUNTAINHEAD TECH INC27 citations92
USD385946SNov 4, 1997
Water purifier
FOUNTAINHEAD TECH INC28 citations91
USD404114SJan 12, 1999
Element of a water purifier
FOUNTAINHEAD TECH INC13 citations73
USD404113SJan 12, 1999
Element of a water purifier
FOUNTAINHEAD TECH INC16 citations73
DENKEWICZ JR RAYMOND P
4 patentsUS8066940B2Nov 29, 2011
Apparatus and method for removing arsenic and inorganic compositions from water
DENKEWICZ JR RAYMOND P25 citations92
US7055823B2Jun 6, 2006
Cards
DENKEWICZ JR RAYMOND P54 citations92
US8161579B2Apr 24, 2012
Toilet tank mounted odor eliminator
DENKEWICZ JR RAYMOND P12 citations83
US8066941B2Nov 29, 2011
Apparatus and method for purifying water in a storage tank
DENKEWICZ JR RAYMOND P11 citations83