Assignee
HEADWORKS INC
US·5 granted patents·3 pending applications·48 citations·filing 2002–2014
Top patents by PatentIndex Score
8 records- 0173US6719912B2Bar screen system with emergency discharge doorsHEADWORKS INC·Filed 2002·Granted Apr 13, 2004·16 cites·13 claims
- 0266US6869524B1Scraper arm for rake screenHEADWORKS INC·Filed 2002·Granted Mar 22, 2005·12 cites·19 claims
- 0358US7147784B2Hydraulic or pneumatic drive system, method, and apparatus for a fluid screening systemHEADWORKS INC·Filed 2004·Granted Dec 12, 2006·8 cites·15 claims
- 0457US7220361B2Torque-limited drive system, method, and apparatus for a fluid screening systemHEADWORKS INC·Filed 2004·Granted May 22, 2007·6 cites·13 claims
- 0556US6666977B2Removable bar for bar screenHEADWORKS INC·Filed 2002·Granted Dec 23, 2003·6 cites·19 claims
- 0650US2015182888A1Wastewater compactor with adjustable brush screen filterHEADWORKS INC·Filed 2014·Application pending·0 cites
- 0741US2006070858A1Sealing devices for center flow perforated plate filterHEADWORKS INC·Filed 2005·Application pending·0 cites
- 0841US2005230294A1Center flow perforated plate filterHEADWORKS INC·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →