Inventor · disambiguated record
Curtis M. Hartenstine
Also filed as: HARTENSTINE CURTIS · HARTENSTINE CURTIS M · HARTENSTINE CURTIS MICHAEL
90 granted patents·23 pending applications·1,198 citations·filing 1996–2025
99Inventor score
Files withWONDERLAND SWITZERLAND AG69GRACO CHILDRENS PROD INC27WONDERLAND NURSERY GOODS7HARTENSTINE CURTIS M3GRACO CHILDRENS PRODUCTS INC2
Top patents by PatentIndex Score
113 records- 0198US10723245B2Support base for a child safety seatWONDERLAND SWITZERLAND AG·Filed 2018·Granted Jul 28, 2020·23 cites·18 claims
- 0298US7188858B2Foldable strollerGRACO CHILDRENS PROD INC·Filed 2003·Granted Mar 13, 2007·75 cites·19 claims
- 0398US6478327B1Foldable strollerGRACO CHILDRENS PROD INC·Filed 2000·Granted Nov 12, 2002·101 cites·30 claims
- 0496US11912174B2Support base for a child safety seatWONDERLAND SWITZERLAND AG·Filed 2023·Granted Feb 27, 2024·3 cites·17 claims
- 0596US10266077B2Child safety seatWONDERLAND SWITZERLAND AG·Filed 2017·Granted Apr 23, 2019·19 cites·26 claims
- 0696US10189381B2Safety belt assembling device capable of assembling a child restraint system with a vehicle seatWONDERLAND SWITZERLAND AG·Filed 2017·Granted Jan 29, 2019·41 cites·19 claims
- 0796US7614641B2Foldable strollerGRACO CHILDRENS PROD INC·Filed 2008·Granted Nov 10, 2009·36 cites·23 claims
- 0896US6666473B2Foldable stroller with passenger support baseGRACO CHILDRENS PROD INC·Filed 2001·Granted Dec 23, 2003·81 cites·5 claims
- 0995US8567862B2Child safety seat assemblyWILLIAMS BRUCE L·Filed 2011·Granted Oct 29, 2013·25 cites·16 claims
- 1094US10077063B2Child stroller apparatus having an expandable frameWONDERLAND SWITZERLAND AG·Filed 2017·Granted Sep 18, 2018·17 cites·46 claims
- 1194US9986850B2Convertible highchair assembly having a removable trayWONDERLAND NURSERY GOODS·Filed 2015·Granted Jun 5, 2018·21 cites·21 claims
- 1293US10299609B2Infant carrierWONDERLAND NURSERY GOODS·Filed 2016·Granted May 28, 2019·10 cites·31 claims
- 1393US7185909B2Stroller with drop-down basketGRACO CHILDRENS PROD INC·Filed 2005·Granted Mar 6, 2007·37 cites·10 claims
- 1492US12077205B2Foldable car seat carriageWONDERLAND SWITZERLAND AG·Filed 2023·Granted Sep 3, 2024·2 cites·12 claims
- 1592US12016471B2PlaypenWONDERLAND SWITZERLAND AG·Filed 2021·Granted Jun 25, 2024·3 cites·17 claims
- 1692US7044497B2Foldable strollerGRACO CHILDRENS PROD INC·Filed 2002·Granted May 16, 2006·53 cites·12 claims
- 1792US7037170B2Toy accessoryGRACO CHILDRENS PROD INC·Filed 2003·Granted May 2, 2006·53 cites·20 claims
- 1892US6155740AStroller and a fold latch assembly thereofGRACO CHILDRENS PROD INC·Filed 1998·Granted Dec 5, 2000·86 cites·19 claims
- 1992US2025340154A1Car seat and method for fastening a car seat to a vehicleWONDERLAND SWITZERLAND AG·Filed 2025·Application pending·0 cites
- 2091US12291258B2Carrycot with coupler for attaching to a carriage, stand, or other support structureWONDERLAND SWITZERLAND AG·Filed 2021·Granted May 6, 2025·4 cites·19 claims
- 2191US10051975B2Child seat convertible to multiple configurations of useWONDERLAND NURSERY GOODS·Filed 2016·Granted Aug 21, 2018·10 cites·20 claims
- 2290US10207731B2Expandable child carrierWONDERLAND SWITZERLAND AG·Filed 2017·Granted Feb 19, 2019·13 cites·19 claims
- 2390US10023217B2Infant stroller apparatusWONDERLAND SWITZERLAND AG·Filed 2016·Granted Jul 17, 2018·15 cites·29 claims
- 2490US9936817B2Infant high chair and method of operating the sameWONDERLAND NURSERY GOODS·Filed 2016·Granted Apr 10, 2018·11 cites·27 claims
- 2589US10154737B2Infant care apparatusWONDERLAND NURSERY GOODS·Filed 2015·Granted Dec 18, 2018·11 cites·42 claims
- 2688US7410186B2Fold joint and foldable strollerGRACO CHILDRENS PROD INC·Filed 2007·Granted Aug 12, 2008·19 cites·20 claims
- 2788US7404569B2Foldable strollerGRACO CHILDRENS PROD INC·Filed 2006·Granted Jul 29, 2008·20 cites·16 claims
- 2887US10053131B2Basket and stroller apparatus thereofWONDERLAND SWITZERLAND AG·Filed 2017·Granted Aug 21, 2018·11 cites·34 claims
- 2987US9855964B2Stroller frameWONDERLAND SWITZERLAND AG·Filed 2017·Granted Jan 2, 2018·12 cites·20 claims
- 3086US11618353B2Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without using a detachable vehicle installation base or a vehicle seat belt, and ride-hailing methods relating to sameWONDERLAND SWITZERLAND AG·Filed 2022·Granted Apr 4, 2023·1 cites·25 claims
- 3186US2025235011A1Child bassinet and child care apparatus including a child bassinet installed on a playpenWONDERLAND SWITZERLAND AG·Filed 2025·Application pending·0 cites
- 3286US2025388139A1Slide out child vehicle seat systemWONDERLAND SWITZERLAND AG·Filed 2025·Application pending·0 cites
- 3385US2025262992A1Support base for a child safety seatWONDERLAND SWITZERLAND AG·Filed 2025·Application pending·0 cites
- 3484US10919418B2Car seat with belt guideWONDERLAND SWITZERLAND AG·Filed 2019·Granted Feb 16, 2021·3 cites·11 claims
- 3583US2024409009A1Support base for a child safety seatWONDERLAND SWITZERLAND AG·Filed 2024·Application pending·0 cites
- 3681US12391157B2Car seat and method for fastening a car seat to a vehicleWONDERLAND SWITZERLAND AG·Filed 2024·Granted Aug 19, 2025·0 cites·19 claims
- 3781US10589643B2Child safety seat including a removable belt-positioning seatWONDERLAND SWITZERLAND AG·Filed 2018·Granted Mar 17, 2020·4 cites·13 claims
- 3881US7017922B2Stroller with accessory bridgeGRACO CHILDRENS PROD INC·Filed 2003·Granted Mar 28, 2006·30 cites·38 claims
- 3980US12295505B2Child bassinet and child care apparatus including a child bassinet installed on a playpenWONDERLAND SWITZERLAND AG·Filed 2023·Granted May 13, 2025·0 cites·15 claims
- 4080US6510570B2Playard having corner panelsGRACO CHILDRENS PROD INC·Filed 2001·Granted Jan 28, 2003·44 cites·29 claims
- 4180USD461645SPlayard with inwardly curving legsGRACO CHILDRENS PROD INC·Filed 2001·Granted Aug 20, 2002·21 cites·1 claims
- 4280US2024317122A1Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without using a detachable vehicle installation base or a vehicle seat belt, and ride-hailing methods relating to sameWONDERLAND SWITZERLAND AG·Filed 2024·Application pending·0 cites
- 4379US12311810B2Support base for a child safety seatWONDERLAND SWITZERLAND AG·Filed 2024·Granted May 27, 2025·0 cites·24 claims
- 4479US12090900B2Support base for a child safety seatWONDERLAND SWITZERLAND AG·Filed 2023·Granted Sep 17, 2024·0 cites·21 claims
- 4579US2025187505A1Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without using a detachable vehicle installation base or a vehicle seat belt, and ride-hailing methods relating to sameWONDERLAND SWITZERLAND AG·Filed 2025·Application pending·0 cites
- 4678US11097639B2Support base for a child safety seatWONDERLAND SWITZERLAND AG·Filed 2019·Granted Aug 24, 2021·2 cites·20 claims
- 4778US11027762B2Foldable car seat carriageWONDERLAND SWITZERLAND AG·Filed 2019·Granted Jun 8, 2021·2 cites·27 claims
- 4878US7410187B2Fold latch mechanism and foldable strollerGRACO CHILDRENS PROD INC·Filed 2007·Granted Aug 12, 2008·10 cites·20 claims
- 4978US7374196B2Standing foldable strollerHARTENSTINE CURTIS M·Filed 2005·Granted May 20, 2008·17 cites·4 claims
- 5077US12426723B2PlaypenWONDERLAND SWITZERLAND AG·Filed 2024·Granted Sep 30, 2025·0 cites·20 claims
Showing the top 50 of 113 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →