Assignee
HEITFIELD JOHN E
3 granted patents·2 pending applications·19 citations·filing 1985–2020
Top patents by PatentIndex Score
5 records- 0162USD292059STurf lifting tool or the likeHEITFIELD JOHN E·Filed 1985·Granted Sep 29, 1987·13 cites·1 claims
- 0259US7540053B2Sweeping apparatusHEITFIELD JOHN E·Filed 2006·Granted Jun 2, 2009·6 cites·2 claims
- 0354US11642580B2Sand trap rake for use on golf coursesHEITFIELD JOHN E·Filed 2020·Granted May 9, 2023·0 cites·16 claims
- 0446US2009293213A1Sweeping apparatusHEITFIELD JOHN E·Filed 2009·Application pending·0 cites
- 0536US2019230849A1Sand Trap Rake For Use On Golf CoursesHEITFIELD JOHN E·Filed 2018·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →