Inventor · disambiguated record
Robert W. Engel
Also filed as: ENGEL ROBERT · ENGEL ROBERT W · ENGEL ROBERT WILLIAM
14 granted patents·3 pending applications·387 citations·filing 1977–2020
94Inventor score
Top patents by PatentIndex Score
17 records- 0190US5679047AVibratory toy and game apparatusFiled 1995·Granted Oct 21, 1997·68 cites·26 claims
- 0288US5085610ADual sound toy train setMATTEL INC·Filed 1991·Granted Feb 4, 1992·81 cites·10 claims
- 0387US6168494B1Expandable and changeable playset building systemFiled 1999·Granted Jan 2, 2001·75 cites·20 claims
- 0486US6346024B1Bath toy with thermally erasable drawing surfaceFiled 2000·Granted Feb 12, 2002·36 cites·34 claims
- 0568US4431155ACover sleeve for shelving brackets of the blade typeENGEL ROBERT·Filed 1982·Granted Feb 14, 1984·36 cites·3 claims
- 0665US6852000B2Beach wave playsetFiled 2003·Granted Feb 8, 2005·11 cites·35 claims
- 0761US6776682B2Acrobatic doll and doll accessories capable of activation by airFiled 2003·Granted Aug 17, 2004·11 cites·28 claims
- 0859US4438579AThree-dimensional picture with interchangeable scenesENGEL ROBERT W·Filed 1983·Granted Mar 27, 1984·20 cites·13 claims
- 0959US4169323AMeans for producing multi-colored hobby craft designsENGEL ROBERT W·Filed 1977·Granted Oct 2, 1979·14 cites·5 claims
- 1052US5672057ASpin art device having inflatable componentsFiled 1996·Granted Sep 30, 1997·15 cites·4 claims
- 1149US7326101B2Switching arrangements and accessories capable of activation by airENGEL ROBERT W·Filed 2003·Granted Feb 5, 2008·3 cites·22 claims
- 1242US2020299893A1Garment Holder with Lock MechanismANGEL SALES INC·Filed 2020·Application pending·0 cites
- 1337US4343476APlaying piece for a board gameENGEL ROBERT W·Filed 1980·Granted Aug 10, 1982·8 cites·7 claims
- 1437USD254745SToy houseENGEL ROBERT W·Filed 1977·Granted Apr 15, 1980·1 cites·1 claims
- 1536US5806768AInflatable water toyFiled 1996·Granted Sep 15, 1998·8 cites·4 claims
- 1636US2015115539A1Shaft seal with lamellaeEN3 GMBH·Filed 2013·Application pending·0 cites
- 1735US2015036454A1Paint Delivering, Metering And Mixing Device For Painting GunsBASF COATINGS GMBH·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →