Patent assignee · US · COMPANY

New Pig Corporation

47Patents
32Active
47Granted
50Portfolio score

Filing activity: Jun 29, 1992 → Mar 2, 2021 · 6 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5562047A Modular spill deck Performing Operations; Transporting 49 Expired
US5888604A Foldable mat for absorbing liquids Emerging Cross-Sectional Technologies 35 Expired
US5236281A Dikes for damming or diverting liquids Performing Operations; Transporting 27 Expired
US5184751A Drum pump adapter Performing Operations; Transporting 25 Expired
US5820297A Permanent berm device Fixed Constructions 23 Expired
US5402835A Drum funnel Performing Operations; Transporting 22 Expired
US6548135B1 Absorbent article tablet Emerging Cross-Sectional Technologies 20 Expired
US5743674A Absorbent berm device Fixed Constructions 19 Expired
US6743354B1 Drain guard catch basin Fixed Constructions 19 Expired
US5676185A Vented drum funnel Performing Operations; Transporting 12 Expired
US5601715A Mutli-stage grease trap filter and skimmer Performing Operations; Transporting 10 Expired
USD787342S1 Spill kit dispenser General 10 Active
USD896822S1 Computing device display screen with graphical user interface for internet-based spill risk data input General 9 Active
US7950075B2 Protective cover for preventing spilled liquids from flowing into drains or holes Fixed Constructions 9 Active
US8117686B2 Durable protective cover for preventing spilled liquids from flowing into drains or holes Performing Operations; Transporting 9 Active
US5597418A Method of making foldable mat for absorbing liquids Emerging Cross-Sectional Technologies 8 Expired
US5771507A Extendible drain closure device Fixed Constructions 7 Expired
US7331357B2 Leak diverter Emerging Cross-Sectional Technologies 7 Active
US10508430B2 Stormwater drain inserts Chemistry; Metallurgy 7 Active
US6216720A Siphon adapter Emerging Cross-Sectional Technologies 6 Expired
US9140277B2 Quick-attaching ceiling leak diverter devices Emerging Cross-Sectional Technologies 5 Active
US8230530B2 Protective cover for preventing spilled liquids from flowing into drains or holes Fixed Constructions 4 Active
US10844588B1 Stormwater drain inserts Performing Operations; Transporting 4 Active
US5931330A Open head container cover Performing Operations; Transporting 4 Expired
USD905077S1 Computing device display screen with graphical user interface for spill risk data output General 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.