Assignee
KEYSTONE RETAINING WALL SYSTEMS LLC
US·24 granted patents·6 pending applications·58 citations·filing 2014–2024
Top patents by PatentIndex Score
30 records- 0192US11401714B2Retaining wall containing wall blocks with weight bearing padsKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2019·Granted Aug 2, 2022·2 cites·19 claims
- 0292US9832934B2Edger having connection surfacesKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2016·Granted Dec 5, 2017·8 cites·12 claims
- 0390US12312760B2Segmented wall systems having tail blocksKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2022·Granted May 27, 2025·1 cites·19 claims
- 0486US11958211B2Block, block system and method of making a blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2022·Granted Apr 16, 2024·0 cites·10 claims
- 0584US11498241B2Block, block system and method of making a blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2018·Granted Nov 15, 2022·1 cites·6 claims
- 0683USD1041034SLandscaping blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2021·Granted Sep 3, 2024·8 cites·1 claims
- 0780USD1036705SLandscaping blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2021·Granted Jul 23, 2024·7 cites·1 claims
- 0880US10760224B2Twisted blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2019·Granted Sep 1, 2020·2 cites·20 claims
- 0980US10329717B2Twisted blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2016·Granted Jun 25, 2019·3 cites·20 claims
- 1080US9739028B2Irregular trapezoidal building unit and wall structure including sameKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2014·Granted Aug 22, 2017·5 cites·18 claims
- 1179US2025084605A1Segmented wall systemsKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2024·Application pending·0 cites
- 1276USD1036706SLandscaping blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2022·Granted Jul 23, 2024·6 cites·1 claims
- 1376US9732523B2Connection surface for a structural unit and method of making sameKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2016·Granted Aug 15, 2017·3 cites·21 claims
- 1473US9464434B2Twisted blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2014·Granted Oct 11, 2016·4 cites·22 claims
- 1572US11060305B2Patio blocks and block systems with side surface positioning and retaining structuresKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2020·Granted Jul 13, 2021·0 cites·20 claims
- 1672US2021172171A1Wall blocks, veneer panels for wall blocks and method of constructing wallsKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2021·Application pending·0 cites
- 1769US11346559B2Bridging lintel with support hangers for an insert and block system for a structureKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2019·Granted May 31, 2022·1 cites·20 claims
- 1869US9745742B2Irregular tessellated building unitsKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2016·Granted Aug 29, 2017·1 cites·6 claims
- 1963US11174616B2Wall blocks having one or more multi-faceted faces or side walls, wall block systems and methods of constructing a wallKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2020·Granted Nov 16, 2021·0 cites·20 claims
- 2062US10927547B2Wall blocks, veneer panels for wall blocks and method of constructing wallsKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2018·Granted Feb 23, 2021·0 cites·20 claims
- 2161US11598094B2Retaining wall block and retaining wall block systemKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2020·Granted Mar 7, 2023·0 cites·8 claims
- 2258US9428906B2Irregular tessellated building unitsKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2014·Granted Aug 30, 2016·0 cites·8 claims
- 2358US2024401299A1Segmented wall and landscaping block systems with lug processesKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2024·Application pending·0 cites
- 2457US2025019921A1Retaining wall block systemKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2023·Application pending·0 cites
- 2556US2018371705A1Permeable surface covering units and permeable surface coveringKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2018·Application pending·0 cites
- 2653US2017167086A1Permeable surface covering units and permeable surface coveringKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2017·Application pending·0 cites
- 2743USD905282SLandscaping block wallKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2019·Granted Dec 15, 2020·2 cites·1 claims
- 2840USD782703SLandscape edgerKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2015·Granted Mar 28, 2017·2 cites·1 claims
- 2940USD782704SLandscape edgerKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2015·Granted Mar 28, 2017·2 cites·1 claims
- 3038USD1101209SLandscaping blockKEYSTONE RETAINING WALL SYSTEMS LLC·Filed 2022·Granted Nov 4, 2025·0 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →