DH

David Haythornthwaite

SH Shedrain: 23 patents #1 of 6Top 20%
Koniniklijke Philips N.V.: 1 patents #4,025 of 7,486Top 55%
ZL Zespri Group Limited: 1 patents #2 of 9Top 25%
📍 Xiguoshan, CN: #1 of 26 inventorsTop 4%
Overall (All Time): #135,187 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12336607 Umbrella having anti-inversion mechanism 2025-06-24
11992100 Umbrella having anti-inversion mechanism 2024-05-28
11903465 Umbrella having anti-inversion mechanism 2024-02-20
D985926 Umbrella handle 2023-05-16
D985925 Umbrella handle 2023-05-16
11607021 Umbrella having anti-inversion mechanism 2023-03-21
D979920 Umbrella handle 2023-03-07
D979919 Umbrella handle 2023-03-07
D979222 Umbrella handle 2023-02-28
D979221 Umbrella handle 2023-02-28
11006711 Umbrella having anti-inversion mechanism 2021-05-18
10743627 Umbrella having an anti-inversion mechanism ANDREW HAYTHORNTHWAITE 2020-08-18
10238214 Backpack type folding chair 2019-03-26
10092069 Umbrella having an anti-inversion mechanism ANDREW HAYTHORNTHWAITE 2018-10-09
9756912 Wind resistant umbrella 2017-09-12
D789074 Button for a handle 2017-06-13
9668553 Umbrella having an anti-inversion mechanism ANDREW HAYTHORNTHWAITE 2017-06-06
9668554 Umbrella having an anti-inversion mechanism ANDREW HAYTHORNTHWAITE 2017-06-06
9609926 Umbrella having improved shaft and rib assembly ANDREW HAYTHORNTHWAITE 2017-04-04
D773799 Button for a handle 2016-12-13
9301582 Umbrella having improved shaft and rib assembly ANDREW HAYTHORNTHWAITE 2016-04-05
8858038 Lighting apparatus with peak/flat adjustment 2014-10-14
D713637 Pocket umbrella and container Thomas Herriger 2014-09-23
D699543 Handle 2014-02-18
D691446 Handle 2013-10-15