Hydroplan Engineering Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 559
 
  
 
E02B HYDRAULIC ENGINEERING 216
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6206305 Irrigation emitter unitFeb 10, 00Mar 27, 01[B05B]
6027048 Irrigation emitter unitOct 08, 98Feb 22, 00[B05B]
6000634 Irrigation sprinklerAug 20, 98Dec 14, 99[B05B]
RE35857 Irrigation systemsMay 31, 96Jul 21, 98[E02B]
5324371 Process for producing a drip irrigation conduitJun 01, 93Jun 28, 94[B29C]
5294212 Irrigation systemsApr 08, 92Mar 15, 94[E02B]
5279462 Fluid flow control unitOct 17, 91Jan 18, 94[B05B]
5207386 Flow emitter units moulds for use in the manufacture thereofOct 01, 91May 04, 93[B05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D356143 Double multi-outlet drip irrigation unitExpiredDec 02, 92Mar 07, 95[]
D355020 Multi-outlet drip irrigation unitExpiredApr 20, 92Jan 31, 95[]
5122044 Apparatus for making a drip irrigation conduitExpiredDec 14, 90Jun 16, 92[B29C]
5022940 Process of making a drip irrigation conduitExpiredSep 26, 89Jun 11, 91[B29C, B32B]
4718608 Drip level irrigation emitterExpiredNov 12, 86Jan 12, 88[B05B]
4573640 Irrigation emitter unitExpiredDec 01, 82Mar 04, 86[A01G]
4427174 Irrigation system flushing valveExpiredJul 23, 81Jan 24, 84[G05D]
4413786 Emitter unitExpiredNov 21, 80Nov 08, 83[B05B]
4384680 Fluid flow regulator unitExpiredApr 23, 80May 24, 83[B05B]
4366926 Irrigation emitter unitExpiredJul 22, 80Jan 04, 83[B05B]
4307841 Drip irrigation systemExpiredNov 26, 79Dec 29, 81[B05B]
4215822 Drip level irrigationExpiredDec 18, 78Aug 05, 80[B05B]
4210287 Drip irrigation systemExpiredNov 21, 78Jul 01, 80[B05B]

Top Inventors for This Owner

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