Inventor · Mequon, WI, US

David S. Ryder

25Patents
5h-index
32Co-inventors
69Inventor score

Filing activity: Nov 7, 1990 → Oct 9, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5455038A Method of inhibiting listeria Human Necessities 25 Expired
US5618572A Flavored malt beverages prepared by using ultrafiltration methods Chemistry; Metallurgy 23 Expired
US5166074A Method of detecting the initial concentration of a water-treatment chemical in a diluted aqueous system Emerging Cross-Sectional Technologies 15 Expired
US7563469B1 Method of aerating yeast prior to pitching Chemistry; Metallurgy 11 Expired
US5783235A Method of preparing a full hop flavored beverage of low bitterness Chemistry; Metallurgy 11 Expired
US7144592B2 Method of preparing a fully kettle hop flavored beverage Chemistry; Metallurgy 5 Expired
US6849287B1 Light stable hop fraction and method of making the same Chemistry; Metallurgy 5 Expired
US7186428B1 Method of oxygenating yeast slurry using hydrophobic polymer membranes Chemistry; Metallurgy 5 Expired
US5439699A Method for preparing colorless clear beer Chemistry; Metallurgy 4 Expired
US7105177B1 Antimicrobial diapers and wet wipes Human Necessities 3 Expired
US6303824A Method of hydrogenating iso-.alpha. acids in a buffered solution Chemistry; Metallurgy 3 Expired
US7005453B1 Use of hop acids to inhibit growth of Staphylococcus aureus and prevent toxic shock syndrome Emerging Cross-Sectional Technologies 3 Expired
US6423546B1 Monoclonal antibodies for assaying lipid transfer proteins Emerging Cross-Sectional Technologies 2 Expired
US8871978B2 Preparation of hop acids and their derivatives Chemistry; Metallurgy 2 Active
US5639493A Method for preparing non-alcoholic malt beverages Chemistry; Metallurgy 2 Expired
US6599554B1 Use of glycosides extracted from hop plant parts to flavor malt beverages Chemistry; Metallurgy 1 Expired
US9567280B2 Preparation of hop acids and their derivatives Chemistry; Metallurgy 0 Active
US9005687B2 Methods for reducing soluble metal ions in diatomaceous earth filter aids Chemistry; Metallurgy 0 Active
US7413758B2 Preparation of light stable hop products Chemistry; Metallurgy 0 Expired
US7803410B2 Use of hop acids in fruit juices, fruit juice concentrates and other beverages to inhibit Alicyclobacillus bacteria Human Necessities 0 Active
US7001638B2 Use of glycosides extracted from hop plant parts to flavor malt beverages Chemistry; Metallurgy 0 Expired
US11578294B2 Method for preparing a neutral malt base Chemistry; Metallurgy 0 Active
US7258887B2 Preparation of light stable hops Chemistry; Metallurgy 0 Expired
US8273386B2 Use of hop acids in fruit juices, fruit juice concentrates and other beverages to inhibit Alicyclobacillus bacteria Human Necessities 0 Active
US6326185A Method for decontaminating yeast Chemistry; Metallurgy 0 Expired

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