Inventor · Racine, WI, US

Michael E. Klinkhammer

59Patents
14h-index
48Co-inventors
84Inventor score

Filing activity: Jan 13, 1988 → Apr 27, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4777670A Under-the-rim dispensing unit Performing Operations; Transporting 53 Expired
US7520406B2 Device for dispensing a controlled dose of a flowable material Fixed Constructions 49 Active
US6583103B1 Two part cleaning formula resulting in an effervescent liquid Chemistry; Metallurgy 42 Expired
USD596033S1 Applicator General 36 Expired
US6425406B1 Toilet bowl cleaning method Chemistry; Metallurgy 31 Expired
USD587584S1 Applicator refill General 26 Expired
US5945390A Toilet cleansing block Chemistry; Metallurgy 26 Expired
US7709433B2 Self-sticking disintegrating block for toilet or urinal Fixed Constructions 22 Active
USD592513S1 Applicator General 21 Expired
US6786223B2 Hard surface cleaners which provide improved fragrance retention properties to hard surfaces Chemistry; Metallurgy 21 Expired
US6817040B2 Toilet rim mounted liquid dispenser using vertical wicking system Fixed Constructions 18 Expired
US6055679A Passive lavatory cleanser dispensing system Fixed Constructions 17 Expired
US6662380B1 Dual action toilet rim mounted toilet bowl cleaner Fixed Constructions 17 Expired
USD690793S1 Applicator General 14 Active
US9068152B2 Cleaning composition having high self-adhesion and providing residual benefits Chemistry; Metallurgy 11 Active
US9175248B2 Non-ionic surfactant-based cleaning composition having high self-adhesion and providing residual benefits Chemistry; Metallurgy 11 Active
US8143206B2 Cleaning composition having high self-adhesion and providing residual benefits Chemistry; Metallurgy 10 Active
US5093396A Alkali-soluble hydrophilic polymer coatings Chemistry; Metallurgy 10 Expired
US8851339B2 Applicator for self-adhesive products Chemistry; Metallurgy 10 Active
US7919447B1 Array of self-adhesive cleaning products Chemistry; Metallurgy 9 Active
US8143205B2 Cleaning composition having high self-adhesion and providing residual benefits Chemistry; Metallurgy 9 Active
US8814456B2 Applicator for automatically dispensing self-adhesive products Emerging Cross-Sectional Technologies 8 Active
US8980813B2 Cleaning composition having high self-adhesion on a vertical hard surface and providing residual benefits Chemistry; Metallurgy 8 Active
US8658588B2 Self-adhesive high viscosity cleaning composition Chemistry; Metallurgy 8 Active
US8993502B2 Cleaning composition having high self-adhesion to a vertical hard surface and providing residual benefits Chemistry; Metallurgy 8 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.